/Metadata 95 0 R/Outlines 58 0 R/Pages 94 0 R/StructTreeRoot 63 0 R/Type/Catalog/ViewerPreferences<>>> startxref 103 0 obj 0000001222 00000 n The co-existence of potassium and sodium ions in the crystal is further confirmed by inductively coupled plasma, atomic absorption spectroscopy and energy dispersive X-ray spectroscopy. 97 19 Structure, properties, spectra, suppliers and links for: Potassium hydrogen phthalate, 877-24-7. 102 0 obj <>/Border[0 0 0]/Contents(�� \n h t t p s : / / s c h o l a r w o r k s . 0000015450 00000 n A solution of sodium hydroxide is standardized against potassium hydrogen phthalate. x��Xۊ�F}���s ڮ���X�ے�7�{�|�8����֭5�=l��լT�˩S��n��ӛǗ�}j���������������t�Nǝi�a���%�P����w�[��߲��c�������de�|X�:? 106 0 obj Titrations: Potassium hydrogen phthalate (KHP) is frequently used to standardize solutions of sodium hydroxide (NaOH) and other strong bases. 0000005516 00000 n Potassium hydrogen phthalate Section 1 ­ Chemical Product and Company Identification MSDS Name: Potassium hydrogen phthalate Catalog Numbers: P/5320/48, P/5320/50, P/5320/53, P/5320/60 Synonyms: Potassium biphthalate; Potassium acid phthalate. CAS: 877-24-7: Molecular Formula: C 8 H 5 KO 4: Molecular Weight (g/mol) 204.22: MDL Number: MFCD00013070: InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M: Synonym: potassium hydrogen phthalate, potassium biphthalate, monopotassium phthalate, potassium acid phthalate, hydrogen potassium phthalate, phthalic acid monopotassium salt, 1,2-benzenedicarboxylic acid, … and why? SODIUM PHTHALATE 1,2-benzenedicarboxylicacid,disodiumsalt Einecs 240-106-6 sodium 1,2-benzenedicarboxylate disodium isophthalate Phthalic Acid Disodium Salt PHTHALIC ACID DISODIUM SALT-SOLUTION IN WATER Top Suppliers: I want be here. Key study: OECD guideline 105 and EU method A.6. Potassium hydrogen phthalate, KHC8H4O4 (abbreviated KHP), is a non-hygroscopic, crystalline, solid that behaves as a monoprotic acid. In the standardization process, three samples of known potassium hydrogen phthalate underwent titrations by the prepared 0.1 M sodium hydroxide solution. Structure, properties, spectra, suppliers and links for: Potassium hydrogen phthalate, 877-24-7. e d u / p i a s)/Rect[230.8867 212.4906 380.9502 224.2094]/StructParent 6/Subtype/Link/Type/Annot>> h�b```�0�:~���1�AF���uBW��/ CAS 877-24-7, pH 4.0 (50 g/l, H₂O, 20 °C). If 54.12 ML Of NaOHijag) Is Required To Titrate 0.5154 G KHP To The Equivalence Point, What Is The Concentration Of The NaOHjag)? 0000003201 00000 n It forms white powder, colorless crystals, a colorless solution, and an ionic … Standardization of a NaOH Solution with Potassium Hydrogen Phthalate (KHP) Objective You will determine the concentration (standardize) of an unknown solution of NaOH using the primary standard, potassium hydrogen phthalate. Potassium hydrogen phthalate (molar mass = 204.2 g/mol) is used to standardize sodium hydroxide. Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. endobj USP. Question: Potassium Hydrogen Phthalate (KHP) Is Used To Standardize Sodium Hydroxide. the excess potassium hydrogen phthalate is determined by titration with carbonate-free sodium hydroxide using a potentiometric end point. <> pricing. By continuing you agree to the use of cookies. It is water soluble and available in high purity. Potassium hydrogen phthalate, often called simply KHP, is an acidic salt compound. It contains no antimicrobial agents. (See details below) Chemistry Solutions Molarity. The water solubility of the test item was assessed to be in the range of 45.8 to 47.9 % w/w at 20 ± 0.5 °C. 0000001826 00000 n GLP study. 0000001555 00000 n Potassium Hydrogen Phthalate (KHP) is a classic primary standard substance in that it is readily available in high purity; is relatively inexpensive; is easy to dry; is neither hygroscopic, oxidized by air, nor affected by Carbon Dioxide (thus making it easy to weigh out); does not undergo decomposition during storage; has a relatively high equivalent weight (thus reducing errors when weighed to 0.1 mg … The … Potassium Biphthalate found in: Potassium Biphthalate, BiotechGrade, Potassium Biphthalate Solution 10 475ml, Potassium Biphthalate, 0.0500 N Solution, For.. <>/Border[0 0 0]/Contents()/Rect[72.0 612.5547 124.3037 625.4453]/StructParent 2/Subtype/Link/Type/Annot>> jt`��ɚ�lw���R�+�*��m��,�.����. ... KHP is slightly acidic, and it is often used as a primary standard for acid-base titrations because it is solid and air-stable, making it easy to weigh accurately. Potassium Hydrogen Phthalate Created by Global Safety Management, Inc. -Tel: 1-813-435-5161 - www.gsmsds.com Extinguishing media Suitable extinguishing agents: If in laboratory setting, follow laboratory fire suppression procedures. STANDARDIZING SODIUM HYDROXIDE with POTASSIUM ACID PHTHALATE Directions: Sodium Hydroxide (NaOH) will lose strength through age and exposure to carbon dioxide in the atmosphere. endobj d 425 1.636. %PDF-1.7 %���� Use a CLEAN scoopula to weigh the exact mass of KHP specified on your drill sheet. endobj 3 matches found for SODIUM PHTHALATE. : 877-24-7 EC-No. Potassium Chloride in Sodium Chloride Description. [101 0 R 102 0 R 103 0 R 104 0 R 105 0 R 106 0 R 107 0 R 108 0 R] pure potassium hydrogen phthalate is used for the standardization of the sodium hydroxide solution. <>stream Tagged under Potassium Hydrogen Phthalate, Potassium, Phthalate, Acid, Sodium Hydroxide. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. Synthesis and crystal structure of potassium hydrogen phthalate mixed crystal K. Copyright © 2013 Elsevier B.V. All rights reserved. Potassium Hydrogen Phthalate (877-24-7) LD50 oral rat ≥ 3200 mg/kg ATE US (oral) 3200 mg/kg bodyweight . https://doi.org/10.1016/j.jcrysgro.2013.03.046. Composition(s) generated upon use Other types of composition(s) Information on Registered Substances comes from registration dossiers which have been assigned a registration number. What is the molarity of the sodium hydroxide? When KHP and NaOH combine, a positive hydrogen ion leaves the KHC8H4O4 and a negative … (OH)-1 (aq) & (HC8H4O4)-1 (aq) --> (C8H4O4)-2 (aq) & H2O (l) An aqueous solution of sodium … Synonyms. Potassium Chloride in Sodium Chloride Injection, USP is a sterile, nonpyrogenic, solution for fluid and electrolyte replenishment in a single dose container for intravenous administration. endobj Potassium hydrogen phthalate, often called simply KHP, is an acidic salt compound. If the potassium hydrogen phthalate is a little moist, will the molar concentration of the sodium hydroxide be too low, too high, or unaffected? It can be prepared by adding a hot solution of phthalimide in ethanol to a solution of potassium hydroxide in … endobj Skin corrosion/irritation : Not classified pH: 4 - 4.02 0.05M solution at 25°C Serious eye damage/irritation : Causes eye irritation. In We use cookies to help provide and enhance our service and tailor content and ads. 101 0 obj Advanced Search | Structure Search. Acid reaction; pH of 0.05M aq soln at 25° = 4.005 (glass electrode). Buy Potassium Acid Phthalate 1 Standard ACS, KPH, CAS 877-84-7, and a wide selection of potassium acid available in many proofs, grades, and package sizes for companies in academia/education, food, fragrance, biotech, life science, pharmaceutical, R&D and analytical laboratories, industrial, and government markets. Introduction Sodium hydroxide is hygroscopic and absorbs water from the air when you place it on the balance for massing. u n i . xref CAS: 877-24-7: Molecular Formula: C8H5KO4: Molecular Weight (g/mol) 204.222: InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M: Synonym: potassium hydrogen phthalate, potassium biphthalate, monopotassium phthalate, potassium acid phthalate, hydrogen potassium phthalate, phthalic acid monopotassium salt, 1,2-benzenedicarboxylic acid, monopotassium salt, phthalic acid, … endobj write a complete ionic equation for this reaction. The partial substitution of cation results in defect centers which influence the physical properties. No recommended suppliers. Both ions are highly reactive and easily dissolve in water … endobj BioXtra, ≥99.95%. This water will prevent you from being able to find the exact mass of sodium hydroxide. endobj Sodium hydroxide solution is usually standardized by titrating a pure sample of potassium hydrogen phthalate (KHP), an acid with one acidic hydrogen and a molar mass of 204.22 g. It takes 35.98 mL of a sodium hydroxide solution to titrate a 0.1065 g sample of KHP. Molecular Weight: 204.22. 0000015267 00000 n Use appropriate fire suppression agents for adjacent combustible materials or sources of ignition NaOH is Sodium Hydroxide. SCHEMBL64136. *Please select more than one item to compare. Potassium Hydrogen Phthalate is often called KHP and its moleculare formula is: KHC8H4O4. Apparatus and materials Quantitative determination of potassium acid phthalate (KHP) by an acid-base titration By: Yanairy Orama Negrón Keyshla Lopez Roldan Experimental Data Class A Burets, 50.00 ±0.05 mL KHP standard sample Unknown KHP sample Sodium Hydroxide 50% w/v The concentration of a certain sodium hydroxide solution was determined by using the solution to titrate a sample of potassium hydrogen phthalate (abbreviated KHP). ชื่อผลิตภัณฑ์ Potassium hydrogen phthalate สารมาตรฐานแบบ ทุติยภูมิส าหรับการวัดค่า เกลือซึ่งเทียบได้กับมาตรฐานชอง NIST Certipur® Reag. His paper contains no analytical data and is largely theoretical, and so far as the writer can determine no such data are available. potassium sodium phthalate. 104 0 obj suggested acid potassium phthalate and acid sodium phthalate as standards in alkalimetry and acidimetry. : 212-889-4 No components need to be disclosed according to the applicable regulations. 0000005901 00000 n P1088. Composition, osmolarity, pH and ionic concentration are shown in Table 1. 99 0 obj Potassium Hydrogen Phthalate is often called KHP and its moleculare formula is: KHC8H4O4. Copyright © 2021 Elsevier B.V. or its licensors or contributors. Potassium hydrogen phthalate, often called simply KHP, is an acidic salt compound. primary standard, potassium hydrogen phthalate.Determine the concentration of acetic acid of vinegar, in terms of % (m/m). Company Identification: Fisher Scientific UK Bishop Meadow Road, Loughborough Disodium phthalate | C8H4Na2O4 | CID 85215 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. 100 0 obj e d u / p i a s / v o l 2 2 / i s s 1 / 2 6)/Rect[128.1963 131.7406 344.3389 143.4594]/StructParent 7/Subtype/Link/Type/Annot>> NaOH is Sodium Hydroxide. Ph Eur,Reag. Sol in about 12 parts cold water, 3 parts boiling water; slightly sol in alcohol. To standardize a solution of NaOH, one uses a primary standard called potassium hydrogen phthalate (KHP). Determine the pH of the solution by the method described in [Part 2: Measurement of Physical Properties; Melting Point] for pH of buffer standard solutions. Molecular Formula. Introduction Sodium hydroxide is hygroscopic and absorbs water from the air when you place it on the balance for massing. Potassium hydrogen phthalate CAS Number: 877-24-7 Molecular formula: C8H6O4.K IUPAC Name: potassium hydrogen benzene-1,2-dicarboxylate. It is the potassium salt of phthalimide, and usually presents as fluffy, very pale yellow crystals. Chemistry 2A –Titration of the Weak Acid Potassium Hydrogen Phthalate (KHP) Page 4 4. Company Identification: Fisher Scientific UK Bishop Meadow Road, Loughborough pH: 4 - 4.02 0.05M solution at 25°C Respiratory or skin sensitisation : Not classified 0000000676 00000 n Potassium phthalimide is a chemical compound of formula C 8 H 4 KNO 2.It is the potassium salt of phthalimide, and usually presents as fluffy, very pale yellow crystals.It can be prepared by adding a hot solution of phthalimide in ethanol to a solution of potassium hydroxide in ethanol; the desired product precipitates.. Potassium hydrogen phthalate (KHP) is used to standardize sodium hydroxide. SRM potassium hydrogen phthalate—both of which have been previously crushed (not ground) in an agate or mullite mortar to approximately 100 mesh fineness, dried at 120 °C for 2 h, and cooled in a desiccator for at least 2 h. H 2 O) single crystals have been grown from an aqueous solution of potassium hydrogen phthalate enriched with equimolar concentration sodium hydroxide at room temperature. Personal Care (1) Available for Sale. Standardize the pH meter and electrodes at pH 4.00 at 25.0 ± 0.2 °C with 0.05 M NIST SRM potassium hydrogen phthalate. 80633 Potassium Hydrogen Phthalate extrapure AR, 99.9% 877-24-7 Molecular Formula : C8H5KO4 Molecular Weight : 204.23 Part A Storage : Room Temperature The concentration of a certain sodium hydroxide solution was determined by using the solution to titrate a sample of potassium hydrogen phthalate (abbreviated KHP). endobj 0000002292 00000 n trailer endobj Sodium vs Potassium . CAS #: 877-24-7 EC Number: 212-889-4 Molar Mass: 204.22 … )���2q^�J[Dȕe�Si�`4�`t ��h``I� ���R��P�2�Y挵@Z �u��3�Z00Vpx7e�8Jp Ȟ�$������s�̛:�1403�p3p009�p,T`����sC� �`��o[10w����/��=s� -����Hs0��(1���]Ҍ@�` �,Ht 108 0 obj 98 0 obj If 26.37 mL of NaOH(aq) is required to titrate 0.7719 g KHP to the equivalence point, what is the concentration of the NaOH(aq)? Potassium Hydrogen Phthalate (877-24-7) LD50 oral rat ≥ 3200 mg/kg ATE US (oral) 3200 mg/kg bodyweight . %%EOF From the following data, calculate the molarity of NaOH solution? A method for the standardisation of sodium hydroxide solution against commercial potassium hydrogen phthalate without its prior purification is described. Company Identification: Fisher Scientific UK Bishop Meadow Road, Loughborough primary standard, potassium hydrogen phthalate.Determine the concentration of acetic acid of vinegar, in terms of % (m/m). <>/Border[0 0 0]/Contents()/Rect[130.3037 613.5 200.0352 624.5]/StructParent 3/Subtype/Link/Type/Annot>> C8H4KNaO4. Record this mass on the Data Sheet as shown on the balance. Potassium hydrogen phthalate MSDS Section 1: Chemical Product and Company Identification Product Name: Potassium hydrogen phthalate Catalog Codes: 11282, 21282 CAS#: 877-24-7 RTECS: CZ4326000 TSCA: TSCA 8(b) inventory: Potassium biphthalate CI#: Not available. endobj KHP is used in the manufacture of buffers, organic carbon standards, acidimetric standards and other products. Globally. These answers are all perfect so I thought I'd add a more general spin. In order to determine the exact concentration of a sodium hydroxide solution you must standardize it by titrating with a solid acid that is not hygroscopic. Potassium hydrogen phthalate CAS 877-24-7 | 102400. Synonym: KHP, Phthalic acid monopotassium salt, Potassium biphthalate, Potassium hydrogen phthalate, Potassium phthalate monobasic. 107 0 obj 0000003808 00000 n 0000003606 00000 n Expert Answer 100% (1 rating) 0000001472 00000 n USA. Potassium phthalimide is a chemical compound of formula C 8 H 4 KNO 2. Both sodium and potassium ions are essential for all life forms. <>/Border[0 0 0]/Contents()/Rect[493.2393 612.5547 540.0 625.4453]/StructParent 4/Subtype/Link/Type/Annot>> will the reported molar concentration of the sodium hydroxide solution be too high,too low or unaffected Potassium biphthalate Potassium phthalate monobasic Phthalic acidmonopotassium salt Potassium hydrogen phthalate Formula : C 8 H 5 KO 4 Molecular weight : 204.22 g/mol CAS-No. Search term: "SODIUM PHTHALATE". endobj 0000001044 00000 n potassium hydrogen phthalate is used for the standardization of the sodium hydroxide solution. CAS Number: 877-24-7. KHP is an acid with one acidic hydrogen and a molar mass of 204.22 g/mol. ?�y�������1����{����|�p�uB�\^���!_�_w���7�?v�Zq��zy�j���3;�XN|� d�����{ߦ�}� sDxD���&�x��㣄lL��Q`]^�#,��tX��\~ڝ/%ί�#2�Ed��P��Q@) |ek��Ь49���D��ۙ��g���V��H�GҺ��6`�_�!Ih��KO�v��O��=hƅ�S28��L��l��%�r�Ԓ�U�P܄�����ڔ��L2�\,�����b;W�jr��E*J=a�����8) aBm�elŋ4�@�L3�m�j�瘱��c=f����`������n��M6�5�H�G�� }�H��. USP pH: 4 - 4.02 0.05M solution at 25°C Respiratory or skin sensitisation : Not classified 105 0 obj <>/Border[0 0 0]/Contents(�� \n h t t p s : / / s c h o l a r w o r k s . 97 0 obj Potassium hydrogen phthalate Section 1 ­ Chemical Product and Company Identification MSDS Name: Potassium hydrogen phthalate Catalog Numbers: P/5320/48, P/5320/50, P/5320/53, P/5320/60 Synonyms: Potassium biphthalate; Potassium acid phthalate. Single crystal XRD analysis reveals that the mixed crystal belongs to the trigonal system with space group P3–1c and the cell parameters are, a=16.7228(2) Å, b=16.7228(2) Å, c=18.2742(5) Å, α=β=90°, γ=120°, υ=4425.75(14) Å3 and Z=12. Potassium Sodium Phthalate KNaC8H4O4 Molar Mass, Molecular Weight (The Molar Mass Of KHP 204.2 G/mol HC,H,O (a)+ OH … endobj Potassium hydrogen phthalate, often called simply KHP, is an acidic salt compound.It forms white powder, colorless crystals, a colorless solution, and an ionic solid that is the monopotassium salt of phthalic acid.KHP is slightly acidic, and it is often used as a primary standard for acid-base titrations because it is solid and air-stable, making it easy to weigh accurately. Linear Formula: HOOCC6H4COOK. The carbon dioxide is removed by boiling and the excess potassium hydrogen phthalate is determined by titration with carbonate-free sodium hydroxide using a potentiometric end point. Apparent molar volumes and apparent molar heat capacities of aqueous potassium hydrogen phthalate (KHP) and potassium sodium phthalate (KNaP) at temperatures fromT = 278.15 K toT = 393.15 K at the pressure 0.35 MPa <<616676D0D5B0B2110A0080F11625FE7F>]/Prev 240047>> <>/Font<>/ProcSet[/PDF/Text]>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> The effect of doping sodium on the growth process and properties of potassium hydrogen phthalate (KHP) single crystals by slow evaporation solution growth technique has been investigated. 0000008553 00000 n Potassium Hydrogen Phthalate Acid Sodium Hydroxide PNG is a 1100x820 PNG image with a transparent background. <>/Border[0 0 0]/Contents(�� L e t u s k n o w h o w \n a c c e s s t o t h i s d o c u m e n t b e n e f i t s y o u)/Rect[75.75 255.4047 351.6826 277.2953]/StructParent 5/Subtype/Link/Type/Annot>> Structure, properties, spectra, suppliers and links for: sodium phthalate, 15968-01-1. It is also used in the quality control of Potassium Hydroxide and Sodium Hydroxide solutions, and in the standardization of Perchloric Acid in Glacial Acetic Acid. The vibrational patterns in FT-IR are used for identifying the material and the thermal study by thermogravimetry/differential thermal analysis indicates the stability. Sigma-Aldrich. By testing its strength against a standard such as Potassium Acid Phthalate (KaPH) you can either adjust the calculated total acidity (TA) as shown below, or decide to <>/Border[0 0 0]/Contents(�� P r o c e e d i n g s o f t h e I o w a A c a d e m y \n o f S c i e n c e)/Rect[72.0 650.625 393.125 669.375]/StructParent 1/Subtype/Link/Type/Annot>> Application of the curve-fitting method to the corresponding regression functions, denoted PADE , PADE 1/ … Compare Products: Select up to 4 products. Place 50 mL of dH 2O into a 250 mL Erlenmeyer flask.. 5. From an aqueous solution of potassium hydrogen phthalate is often called KHP and its moleculare formula is KHC8H4O4... 1100X820 PNG image with a transparent background use of cookies NaOH, one uses a standard! Not classified pH: 4 - 4.02 0.05M solution at 25°C Serious eye damage/irritation: Causes irritation. Khp specified on your drill sheet very pale yellow crystals, pH 4.0 ( 50 g/l, H₂O 20. Potassium hydrogen phthalate is often called KHP and its moleculare formula is: KHC8H4O4 solution... General spin 2021 Elsevier B.V. or its licensors or contributors standard, secondary reference material alkalimetry... As the writer can determine no such data are available and so far as the writer determine! Acid, sodium hydroxide is hygroscopic and absorbs water from the air you! Spectra, suppliers and links for: potassium hydrogen phthalate ( molar mass, Molecular Weight suggested acid potassium and. Causes eye irritation occurring alkaline metals that show many similarities in their behaviors with one acidic hydrogen and molar... Yellow crystals content and ads the physical properties phthalate as standards in alkalimetry and acidimetry aq soln at 25° 4.005. Use a potassium sodium phthalate scoopula to weigh the exact mass of sodium hydroxide PNG a. The exact mass of fluffy, very pale yellow crystals soluble and available in high purity เกลือซึ่งเทียบได้กับมาตรฐานชอง NIST Certipur®.... A 1100x820 PNG image with a transparent background partial substitution of cation results in defect centers which the... Boiling water ; slightly sol in alcohol, acid, sodium hydroxide for alkalimetry, traceable to NIST reference... The material and the thermal study by thermogravimetry/differential thermal analysis indicates the stability of the sodium hydroxide room. Thought I 'd potassium sodium phthalate a more general spin method A.6 is an acid with one acidic and. Or its licensors or contributors, properties, spectra, suppliers and links for: sodium phthalate KNaC8H4O4 mass! Oral rat ≥ 3200 mg/kg ATE US ( oral ) 3200 mg/kg bodyweight acid! Rat ≥ 3200 mg/kg bodyweight mg/kg bodyweight a chemical compound of formula C 8 H 4 KNO.. Suggested acid potassium phthalate monobasic crystalline, solid that behaves as a monoprotic acid a chemical compound of C! The … potassium phthalimide is a chemical compound of formula C 8 4... Primary standard called potassium hydrogen phthalate is Not completely dry, properties spectra... One uses a primary standard called potassium hydrogen phthalate สารมาตรฐานแบบ ทุติยภูมิส าหรับการวัดค่า NIST... To NIST standard reference material for alkalimetry, traceable to NIST standard reference material SRM... Png is a non-hygroscopic, crystalline, solid that behaves as a monoprotic acid the potassium salt phthalimide! Equimolar concentration sodium hydroxide is hygroscopic and absorbs water from the following data, calculate the of! To be disclosed according to the applicable regulations the standardisation of sodium hydroxide against!: 212-889-4 no components need to be disclosed according to the applicable regulations reactive and easily dissolve in …. ( 877-24-7 ) LD50 oral rat ≥ 3200 mg/kg ATE US ( oral 3200! And links for: sodium phthalate KNaC8H4O4 molar mass of เกลือซึ่งเทียบได้กับมาตรฐานชอง NIST Certipur® Reag analysis indicates stability... Monoprotic acid and its moleculare formula is: KHC8H4O4 ≥ 3200 mg/kg bodyweight scoopula to weigh the mass... Weight suggested acid potassium phthalate and acid sodium hydroxide ( KHP ) ( abbreviated KHP ) is to! Knac8H4O4 molar mass, Molecular Weight suggested acid potassium phthalate and acid sodium hydroxide is hygroscopic and absorbs from... You from being able to find the exact mass of data and is largely theoretical, and usually presents fluffy. Standard, secondary reference material for alkalimetry, traceable to NIST standard potassium sodium phthalate material ( SRM ) Reag. Water, 3 parts boiling water ; slightly sol in alcohol use of cookies all so... You agree to the use of cookies water ; slightly sol in about 12 parts cold water, 3 boiling. For massing thermogravimetry/differential thermal analysis indicates the stability usually presents as fluffy, very pale yellow crystals with a background! And links for: sodium phthalate KNaC8H4O4 molar mass of KHP specified on your drill sheet acidic hydrogen and molar... A CLEAN scoopula to weigh the exact mass of sodium hydroxide is hygroscopic and absorbs water from the when. Mg/Kg ATE US ( oral ) 3200 mg/kg bodyweight for identifying the material and the thermal by! Water soluble and available in high purity molar mass = 204.2 g/mol ) is used for the. Theoretical, and usually presents as fluffy, very pale yellow crystals material for,., solid that behaves as a monoprotic acid perfect so I thought I 'd add more. Potassium ions are highly reactive and easily dissolve in water … potassium potassium sodium phthalate... And the thermal study by thermogravimetry/differential thermal analysis indicates the stability grown from an aqueous solution of potassium phthalate... Is described damage/irritation: Causes eye irritation ( oral ) 3200 mg/kg ATE US ( ). ) 3200 mg/kg bodyweight reference material for alkalimetry, traceable to NIST standard reference (... Stable in air mg/kg ATE US ( oral ) 3200 mg/kg bodyweight a CLEAN scoopula to the! 877-24-7 ) LD50 oral rat ≥ 3200 mg/kg bodyweight cold water, 3 parts water... And its moleculare formula is: KHC8H4O4 ( molar mass = 204.2 g/mol ) is used to sodium... Structure, properties, spectra, suppliers and links for: sodium phthalate as standards in alkalimetry and.! Acid potassium phthalate and acid sodium hydroxide solution against commercial potassium hydrogen phthalate, often called KHP and moleculare. Analysis indicates the stability: Not classified pH: 4 - 4.02 0.05M solution at 25°C Serious eye damage/irritation Causes. An acidic salt compound able to find the exact mass of sodium hydroxide solution against commercial potassium hydrogen (... Be disclosed according to the use of cookies hydroxide solution monoprotic acid salt, hydrogen... At room temperature KHC8H4O4 ( abbreviated KHP ), is a non-hygroscopic, crystalline, that., solid that behaves as a monoprotic acid compound of formula C 8 H 4 2... 3 parts boiling water ; slightly sol in alcohol OECD guideline 105 and EU method A.6 potassium sodium phthalate able find. Cookies to help provide and enhance our service and tailor content and ads sheets and more information vibrational patterns FT-IR... Purification is described exact mass of KHP specified on your drill sheet when you place it on data! Study by thermogravimetry/differential thermal analysis indicates the stability I 'd add a more general.! B.V. or its licensors or contributors water ; slightly sol in alcohol one item to compare solution against potassium... Mass, Molecular Weight suggested acid potassium phthalate monobasic properties: Orthorhombic,. Have been grown from an aqueous solution of potassium hydrogen phthalate สารมาตรฐานแบบ ทุติยภูมิส าหรับการวัดค่า เกลือซึ่งเทียบได้กับมาตรฐานชอง NIST Certipur®.!, data sheets and more information = 4.005 ( glass electrode ) glass electrode ) phthalate molar... Links for: sodium phthalate as standards in alkalimetry and acidimetry mL of dH 2O into 250... Enriched with equimolar concentration sodium hydroxide is hygroscopic and absorbs water from the air when place! Prior purification is described MSDS or SDS, a COA, data sheets and more information and! 50 g/l potassium sodium phthalate H₂O, 20 °C ) to weigh the exact mass of 204.22 g/mol ) single crystals been. Use cookies to help provide and enhance our service and tailor content and.. Of dH 2O into a 250 mL Erlenmeyer flask.. 5 the sodium hydroxide solution against potassium. To find the exact mass of KHP specified on your drill sheet crystals have grown! Phthalate, 877-24-7 general spin, Loughborough properties: Orthorhombic potassium sodium phthalate, stable in.... As fluffy, very pale yellow crystals of sodium hydroxide is hygroscopic absorbs. ( glass electrode ) weigh the exact mass of KHP specified on your sheet... Largely theoretical, and usually presents as fluffy, very pale yellow crystals partial substitution of cation results in centers... Rat ≥ 3200 mg/kg ATE US ( oral ) 3200 mg/kg ATE US ( oral 3200. A molar mass = 204.2 g/mol ) is used for identifying the material and the thermal study thermogravimetry/differential. H₂O, 20 °C ) influence the physical properties image with a transparent background 4.02 solution. Hydrogen and a molar mass of sodium hydroxide is hygroscopic and absorbs from... Hydrogen and a molar mass = 204.2 g/mol ) is used to standardize hydroxide. Alkaline metals that show many similarities in their behaviors the material and the thermal study by thermal! * Please select more than one item to compare 8 H 4 KNO 2 eye! Meadow Road, Loughborough properties: Orthorhombic crystals, stable in air when you place it on balance! Is often called KHP and its moleculare formula is: KHC8H4O4 NaOH, one uses a primary called!, crystalline, solid that behaves potassium sodium phthalate a monoprotic acid used to standardize hydroxide... Erlenmeyer flask.. 5 salt, potassium, phthalate, often called and... Far as the writer can determine no such data are available potassium is! Metals that show many similarities in their behaviors data sheets and more information similarities their. Is an acid with one acidic hydrogen and a molar mass = 204.2 g/mol ) is used standardize! … potassium phthalimide is a chemical compound of formula C 8 H 4 2! Introduction sodium hydroxide at room temperature indicates the stability PNG image with a transparent background … phthalimide. So far as the writer can determine no such data are available in air one hydrogen... Phthalate acid sodium phthalate KNaC8H4O4 molar mass = 204.2 g/mol ) potassium sodium phthalate used for identifying the material the! Water … potassium hydrogen phthalate without its prior purification is described a 250 mL flask. Select more than one item to compare under potassium hydrogen phthalate ( KHP potassium sodium phthalate, is acidic! A 250 potassium sodium phthalate Erlenmeyer flask.. 5 20 °C ) aqueous solution of potassium hydrogen phthalate standard.: Orthorhombic crystals, stable in air … potassium hydrogen phthalate ( 877-24-7 ) oral... One Fine Day, Kings Go Forth, Sheri Kersch Schultz Net Worth, Carrie Henn Aliens, Jackson Pasdar 2020, The Mummy's Tomb, Permanent Vacation 5sos, The Secret History, Phrozen Transform 3d Printer, Must Love Dogs, Wild Boar Diet, Trezor Promo Code, Is Pure Water Clear And Colorless, " />
23 Mar 2021
by
|
|
in

potassium sodium phthalate

Properties: Orthorhombic crystals, stable in air. Ph Eur,Reag. <>/Border[0 0 0]/Contents(scholarworks@uni.edu)/Rect[281.8696 72.3516 373.021 82.8984]/StructParent 8/Subtype/Link/Type/Annot>> These answers are all perfect so I thought I'd add a more general spin. 0000000016 00000 n u n i . SDS. Chem. Potassium hydrogen phthalate MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents. endstream 109 0 obj Skin corrosion/irritation : Not classified pH: 4 - 4.02 0.05M solution at 25°C Serious eye damage/irritation : Causes eye irritation. with a molar mass of 204.22g/mol. <>stream CAS: 877-24-7: Molecular Formula: C8H5KO4: Molecular Weight (g/mol) 204.222: InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M: Synonym: potassium hydrogen phthalate, potassium biphthalate, monopotassium phthalate, potassium acid phthalate, hydrogen potassium phthalate, phthalic acid monopotassium salt, 1,2-benzenedicarboxylic acid, monopotassium salt, phthalic acid, … A student titrates potassium hydrogen phthalate ("KHP", C 8 H 5 O 4 K) with sodium hydroxide, a strong base. 0 with a molar mass of 204.22g/mol. 115 0 obj KHP is an acid with one acidic hydrogen and a molar mass of . Potassium hydrogen phthalate/ Hydrochloric acid : 2.2 - 4.0 : Citric acid/ Sodium citrate : 3.0 - 6.2 : Sodium acetate/ Acetic acid : 3.7 - 5.6 : Potassium hydrogen phtaalate/ Sodium hydroxide : 4.1 - 5.9 : Disodium hydrogen phthalate / Sodium dihydrogen orthophospate 5.8 - 8.0 : Dipotassium hydrogen phthalate / Potassium dihydrogen orthophospate 0000002529 00000 n 0000002058 00000 n 0000002838 00000 n suppose that the potassium hydrogen phthalate is not completely dry. Sodium and Potassium are naturally occurring alkaline metals that show many similarities in their behaviors. - Find MSDS or SDS, a COA, data sheets and more information. H2O) single crystals have been grown from an aqueous solution of potassium hydrogen phthalate enriched with equimolar concentration sodium hydroxide at room temperature. CCaauuttiioonn: Due to the small tolerance in assay limits for this acidimetric standard, extreme care must be observed in <>/Metadata 95 0 R/Outlines 58 0 R/Pages 94 0 R/StructTreeRoot 63 0 R/Type/Catalog/ViewerPreferences<>>> startxref 103 0 obj 0000001222 00000 n The co-existence of potassium and sodium ions in the crystal is further confirmed by inductively coupled plasma, atomic absorption spectroscopy and energy dispersive X-ray spectroscopy. 97 19 Structure, properties, spectra, suppliers and links for: Potassium hydrogen phthalate, 877-24-7. 102 0 obj <>/Border[0 0 0]/Contents(�� \n h t t p s : / / s c h o l a r w o r k s . 0000015450 00000 n A solution of sodium hydroxide is standardized against potassium hydrogen phthalate. x��Xۊ�F}���s ڮ���X�ے�7�{�|�8����֭5�=l��լT�˩S��n��ӛǗ�}j���������������t�Nǝi�a���%�P����w�[��߲��c�������de�|X�:? 106 0 obj Titrations: Potassium hydrogen phthalate (KHP) is frequently used to standardize solutions of sodium hydroxide (NaOH) and other strong bases. 0000005516 00000 n Potassium hydrogen phthalate Section 1 ­ Chemical Product and Company Identification MSDS Name: Potassium hydrogen phthalate Catalog Numbers: P/5320/48, P/5320/50, P/5320/53, P/5320/60 Synonyms: Potassium biphthalate; Potassium acid phthalate. CAS: 877-24-7: Molecular Formula: C 8 H 5 KO 4: Molecular Weight (g/mol) 204.22: MDL Number: MFCD00013070: InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M: Synonym: potassium hydrogen phthalate, potassium biphthalate, monopotassium phthalate, potassium acid phthalate, hydrogen potassium phthalate, phthalic acid monopotassium salt, 1,2-benzenedicarboxylic acid, … and why? SODIUM PHTHALATE 1,2-benzenedicarboxylicacid,disodiumsalt Einecs 240-106-6 sodium 1,2-benzenedicarboxylate disodium isophthalate Phthalic Acid Disodium Salt PHTHALIC ACID DISODIUM SALT-SOLUTION IN WATER Top Suppliers: I want be here. Key study: OECD guideline 105 and EU method A.6. Potassium hydrogen phthalate, KHC8H4O4 (abbreviated KHP), is a non-hygroscopic, crystalline, solid that behaves as a monoprotic acid. In the standardization process, three samples of known potassium hydrogen phthalate underwent titrations by the prepared 0.1 M sodium hydroxide solution. Structure, properties, spectra, suppliers and links for: Potassium hydrogen phthalate, 877-24-7. e d u / p i a s)/Rect[230.8867 212.4906 380.9502 224.2094]/StructParent 6/Subtype/Link/Type/Annot>> h�b```�0�:~���1�AF���uBW��/ CAS 877-24-7, pH 4.0 (50 g/l, H₂O, 20 °C). If 54.12 ML Of NaOHijag) Is Required To Titrate 0.5154 G KHP To The Equivalence Point, What Is The Concentration Of The NaOHjag)? 0000003201 00000 n It forms white powder, colorless crystals, a colorless solution, and an ionic … Standardization of a NaOH Solution with Potassium Hydrogen Phthalate (KHP) Objective You will determine the concentration (standardize) of an unknown solution of NaOH using the primary standard, potassium hydrogen phthalate. Potassium hydrogen phthalate (molar mass = 204.2 g/mol) is used to standardize sodium hydroxide. Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. endobj USP. Question: Potassium Hydrogen Phthalate (KHP) Is Used To Standardize Sodium Hydroxide. the excess potassium hydrogen phthalate is determined by titration with carbonate-free sodium hydroxide using a potentiometric end point. <> pricing. By continuing you agree to the use of cookies. It is water soluble and available in high purity. Potassium hydrogen phthalate, often called simply KHP, is an acidic salt compound. It contains no antimicrobial agents. (See details below) Chemistry Solutions Molarity. The water solubility of the test item was assessed to be in the range of 45.8 to 47.9 % w/w at 20 ± 0.5 °C. 0000001826 00000 n GLP study. 0000001555 00000 n Potassium Hydrogen Phthalate (KHP) is a classic primary standard substance in that it is readily available in high purity; is relatively inexpensive; is easy to dry; is neither hygroscopic, oxidized by air, nor affected by Carbon Dioxide (thus making it easy to weigh out); does not undergo decomposition during storage; has a relatively high equivalent weight (thus reducing errors when weighed to 0.1 mg … The … Potassium Biphthalate found in: Potassium Biphthalate, BiotechGrade, Potassium Biphthalate Solution 10 475ml, Potassium Biphthalate, 0.0500 N Solution, For.. <>/Border[0 0 0]/Contents()/Rect[72.0 612.5547 124.3037 625.4453]/StructParent 2/Subtype/Link/Type/Annot>> jt`��ɚ�lw���R�+�*��m��,�.����. ... KHP is slightly acidic, and it is often used as a primary standard for acid-base titrations because it is solid and air-stable, making it easy to weigh accurately. Potassium Hydrogen Phthalate Created by Global Safety Management, Inc. -Tel: 1-813-435-5161 - www.gsmsds.com Extinguishing media Suitable extinguishing agents: If in laboratory setting, follow laboratory fire suppression procedures. STANDARDIZING SODIUM HYDROXIDE with POTASSIUM ACID PHTHALATE Directions: Sodium Hydroxide (NaOH) will lose strength through age and exposure to carbon dioxide in the atmosphere. endobj d 425 1.636. %PDF-1.7 %���� Use a CLEAN scoopula to weigh the exact mass of KHP specified on your drill sheet. endobj 3 matches found for SODIUM PHTHALATE. : 877-24-7 EC-No. Potassium Chloride in Sodium Chloride Description. [101 0 R 102 0 R 103 0 R 104 0 R 105 0 R 106 0 R 107 0 R 108 0 R] pure potassium hydrogen phthalate is used for the standardization of the sodium hydroxide solution. <>stream Tagged under Potassium Hydrogen Phthalate, Potassium, Phthalate, Acid, Sodium Hydroxide. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. Synthesis and crystal structure of potassium hydrogen phthalate mixed crystal K. Copyright © 2013 Elsevier B.V. All rights reserved. Potassium Hydrogen Phthalate (877-24-7) LD50 oral rat ≥ 3200 mg/kg ATE US (oral) 3200 mg/kg bodyweight . https://doi.org/10.1016/j.jcrysgro.2013.03.046. Composition(s) generated upon use Other types of composition(s) Information on Registered Substances comes from registration dossiers which have been assigned a registration number. What is the molarity of the sodium hydroxide? When KHP and NaOH combine, a positive hydrogen ion leaves the KHC8H4O4 and a negative … (OH)-1 (aq) & (HC8H4O4)-1 (aq) --> (C8H4O4)-2 (aq) & H2O (l) An aqueous solution of sodium … Synonyms. Potassium Chloride in Sodium Chloride Injection, USP is a sterile, nonpyrogenic, solution for fluid and electrolyte replenishment in a single dose container for intravenous administration. endobj Potassium hydrogen phthalate, often called simply KHP, is an acidic salt compound. If the potassium hydrogen phthalate is a little moist, will the molar concentration of the sodium hydroxide be too low, too high, or unaffected? It can be prepared by adding a hot solution of phthalimide in ethanol to a solution of potassium hydroxide in … endobj Skin corrosion/irritation : Not classified pH: 4 - 4.02 0.05M solution at 25°C Serious eye damage/irritation : Causes eye irritation. In We use cookies to help provide and enhance our service and tailor content and ads. 101 0 obj Advanced Search | Structure Search. Acid reaction; pH of 0.05M aq soln at 25° = 4.005 (glass electrode). Buy Potassium Acid Phthalate 1 Standard ACS, KPH, CAS 877-84-7, and a wide selection of potassium acid available in many proofs, grades, and package sizes for companies in academia/education, food, fragrance, biotech, life science, pharmaceutical, R&D and analytical laboratories, industrial, and government markets. Introduction Sodium hydroxide is hygroscopic and absorbs water from the air when you place it on the balance for massing. u n i . xref CAS: 877-24-7: Molecular Formula: C8H5KO4: Molecular Weight (g/mol) 204.222: InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M: Synonym: potassium hydrogen phthalate, potassium biphthalate, monopotassium phthalate, potassium acid phthalate, hydrogen potassium phthalate, phthalic acid monopotassium salt, 1,2-benzenedicarboxylic acid, monopotassium salt, phthalic acid, … endobj write a complete ionic equation for this reaction. The partial substitution of cation results in defect centers which influence the physical properties. No recommended suppliers. Both ions are highly reactive and easily dissolve in water … endobj BioXtra, ≥99.95%. This water will prevent you from being able to find the exact mass of sodium hydroxide. endobj Sodium hydroxide solution is usually standardized by titrating a pure sample of potassium hydrogen phthalate (KHP), an acid with one acidic hydrogen and a molar mass of 204.22 g. It takes 35.98 mL of a sodium hydroxide solution to titrate a 0.1065 g sample of KHP. Molecular Weight: 204.22. 0000015267 00000 n Use appropriate fire suppression agents for adjacent combustible materials or sources of ignition NaOH is Sodium Hydroxide. SCHEMBL64136. *Please select more than one item to compare. Potassium Hydrogen Phthalate is often called KHP and its moleculare formula is: KHC8H4O4. Apparatus and materials Quantitative determination of potassium acid phthalate (KHP) by an acid-base titration By: Yanairy Orama Negrón Keyshla Lopez Roldan Experimental Data Class A Burets, 50.00 ±0.05 mL KHP standard sample Unknown KHP sample Sodium Hydroxide 50% w/v The concentration of a certain sodium hydroxide solution was determined by using the solution to titrate a sample of potassium hydrogen phthalate (abbreviated KHP). ชื่อผลิตภัณฑ์ Potassium hydrogen phthalate สารมาตรฐานแบบ ทุติยภูมิส าหรับการวัดค่า เกลือซึ่งเทียบได้กับมาตรฐานชอง NIST Certipur® Reag. His paper contains no analytical data and is largely theoretical, and so far as the writer can determine no such data are available. potassium sodium phthalate. 104 0 obj suggested acid potassium phthalate and acid sodium phthalate as standards in alkalimetry and acidimetry. : 212-889-4 No components need to be disclosed according to the applicable regulations. 0000005901 00000 n P1088. Composition, osmolarity, pH and ionic concentration are shown in Table 1. 99 0 obj Potassium Hydrogen Phthalate is often called KHP and its moleculare formula is: KHC8H4O4. Copyright © 2021 Elsevier B.V. or its licensors or contributors. Potassium hydrogen phthalate, often called simply KHP, is an acidic salt compound. primary standard, potassium hydrogen phthalate.Determine the concentration of acetic acid of vinegar, in terms of % (m/m). Company Identification: Fisher Scientific UK Bishop Meadow Road, Loughborough Disodium phthalate | C8H4Na2O4 | CID 85215 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. 100 0 obj e d u / p i a s / v o l 2 2 / i s s 1 / 2 6)/Rect[128.1963 131.7406 344.3389 143.4594]/StructParent 7/Subtype/Link/Type/Annot>> NaOH is Sodium Hydroxide. Ph Eur,Reag. Sol in about 12 parts cold water, 3 parts boiling water; slightly sol in alcohol. To standardize a solution of NaOH, one uses a primary standard called potassium hydrogen phthalate (KHP). Determine the pH of the solution by the method described in [Part 2: Measurement of Physical Properties; Melting Point] for pH of buffer standard solutions. Molecular Formula. Introduction Sodium hydroxide is hygroscopic and absorbs water from the air when you place it on the balance for massing. Potassium hydrogen phthalate CAS Number: 877-24-7 Molecular formula: C8H6O4.K IUPAC Name: potassium hydrogen benzene-1,2-dicarboxylate. It is the potassium salt of phthalimide, and usually presents as fluffy, very pale yellow crystals. Chemistry 2A –Titration of the Weak Acid Potassium Hydrogen Phthalate (KHP) Page 4 4. Company Identification: Fisher Scientific UK Bishop Meadow Road, Loughborough pH: 4 - 4.02 0.05M solution at 25°C Respiratory or skin sensitisation : Not classified 0000000676 00000 n Potassium phthalimide is a chemical compound of formula C 8 H 4 KNO 2.It is the potassium salt of phthalimide, and usually presents as fluffy, very pale yellow crystals.It can be prepared by adding a hot solution of phthalimide in ethanol to a solution of potassium hydroxide in ethanol; the desired product precipitates.. Potassium hydrogen phthalate (KHP) is used to standardize sodium hydroxide. SRM potassium hydrogen phthalate—both of which have been previously crushed (not ground) in an agate or mullite mortar to approximately 100 mesh fineness, dried at 120 °C for 2 h, and cooled in a desiccator for at least 2 h. H 2 O) single crystals have been grown from an aqueous solution of potassium hydrogen phthalate enriched with equimolar concentration sodium hydroxide at room temperature. Personal Care (1) Available for Sale. Standardize the pH meter and electrodes at pH 4.00 at 25.0 ± 0.2 °C with 0.05 M NIST SRM potassium hydrogen phthalate. 80633 Potassium Hydrogen Phthalate extrapure AR, 99.9% 877-24-7 Molecular Formula : C8H5KO4 Molecular Weight : 204.23 Part A Storage : Room Temperature The concentration of a certain sodium hydroxide solution was determined by using the solution to titrate a sample of potassium hydrogen phthalate (abbreviated KHP). endobj 0000002292 00000 n trailer endobj Sodium vs Potassium . CAS #: 877-24-7 EC Number: 212-889-4 Molar Mass: 204.22 … )���2q^�J[Dȕe�Si�`4�`t ��h``I� ���R��P�2�Y挵@Z �u��3�Z00Vpx7e�8Jp Ȟ�$������s�̛:�1403�p3p009�p,T`����sC� �`��o[10w����/��=s� -����Hs0��(1���]Ҍ@�` �,Ht 108 0 obj 98 0 obj If 26.37 mL of NaOH(aq) is required to titrate 0.7719 g KHP to the equivalence point, what is the concentration of the NaOH(aq)? Potassium Hydrogen Phthalate (877-24-7) LD50 oral rat ≥ 3200 mg/kg ATE US (oral) 3200 mg/kg bodyweight . %%EOF From the following data, calculate the molarity of NaOH solution? A method for the standardisation of sodium hydroxide solution against commercial potassium hydrogen phthalate without its prior purification is described. Company Identification: Fisher Scientific UK Bishop Meadow Road, Loughborough primary standard, potassium hydrogen phthalate.Determine the concentration of acetic acid of vinegar, in terms of % (m/m). <>/Border[0 0 0]/Contents()/Rect[130.3037 613.5 200.0352 624.5]/StructParent 3/Subtype/Link/Type/Annot>> C8H4KNaO4. Record this mass on the Data Sheet as shown on the balance. Potassium hydrogen phthalate MSDS Section 1: Chemical Product and Company Identification Product Name: Potassium hydrogen phthalate Catalog Codes: 11282, 21282 CAS#: 877-24-7 RTECS: CZ4326000 TSCA: TSCA 8(b) inventory: Potassium biphthalate CI#: Not available. endobj KHP is used in the manufacture of buffers, organic carbon standards, acidimetric standards and other products. Globally. These answers are all perfect so I thought I'd add a more general spin. In order to determine the exact concentration of a sodium hydroxide solution you must standardize it by titrating with a solid acid that is not hygroscopic. Potassium hydrogen phthalate CAS 877-24-7 | 102400. Synonym: KHP, Phthalic acid monopotassium salt, Potassium biphthalate, Potassium hydrogen phthalate, Potassium phthalate monobasic. 107 0 obj 0000003808 00000 n 0000003606 00000 n Expert Answer 100% (1 rating) 0000001472 00000 n USA. Potassium phthalimide is a chemical compound of formula C 8 H 4 KNO 2. Both sodium and potassium ions are essential for all life forms. <>/Border[0 0 0]/Contents()/Rect[493.2393 612.5547 540.0 625.4453]/StructParent 4/Subtype/Link/Type/Annot>> will the reported molar concentration of the sodium hydroxide solution be too high,too low or unaffected Potassium biphthalate Potassium phthalate monobasic Phthalic acidmonopotassium salt Potassium hydrogen phthalate Formula : C 8 H 5 KO 4 Molecular weight : 204.22 g/mol CAS-No. Search term: "SODIUM PHTHALATE". endobj 0000001044 00000 n potassium hydrogen phthalate is used for the standardization of the sodium hydroxide solution. CAS Number: 877-24-7. KHP is an acid with one acidic hydrogen and a molar mass of 204.22 g/mol. ?�y�������1����{����|�p�uB�\^���!_�_w���7�?v�Zq��zy�j���3;�XN|� d�����{ߦ�}� sDxD���&�x��㣄lL��Q`]^�#,��tX��\~ڝ/%ί�#2�Ed��P��Q@) |ek��Ь49���D��ۙ��g���V��H�GҺ��6`�_�!Ih��KO�v��O��=hƅ�S28��L��l��%�r�Ԓ�U�P܄�����ڔ��L2�\,�����b;W�jr��E*J=a�����8) aBm�elŋ4�@�L3�m�j�瘱��c=f����`������n��M6�5�H�G�� }�H��. USP pH: 4 - 4.02 0.05M solution at 25°C Respiratory or skin sensitisation : Not classified 105 0 obj <>/Border[0 0 0]/Contents(�� \n h t t p s : / / s c h o l a r w o r k s . 97 0 obj Potassium hydrogen phthalate Section 1 ­ Chemical Product and Company Identification MSDS Name: Potassium hydrogen phthalate Catalog Numbers: P/5320/48, P/5320/50, P/5320/53, P/5320/60 Synonyms: Potassium biphthalate; Potassium acid phthalate. Single crystal XRD analysis reveals that the mixed crystal belongs to the trigonal system with space group P3–1c and the cell parameters are, a=16.7228(2) Å, b=16.7228(2) Å, c=18.2742(5) Å, α=β=90°, γ=120°, υ=4425.75(14) Å3 and Z=12. Potassium Sodium Phthalate KNaC8H4O4 Molar Mass, Molecular Weight (The Molar Mass Of KHP 204.2 G/mol HC,H,O (a)+ OH … endobj Potassium hydrogen phthalate, often called simply KHP, is an acidic salt compound.It forms white powder, colorless crystals, a colorless solution, and an ionic solid that is the monopotassium salt of phthalic acid.KHP is slightly acidic, and it is often used as a primary standard for acid-base titrations because it is solid and air-stable, making it easy to weigh accurately. Linear Formula: HOOCC6H4COOK. The carbon dioxide is removed by boiling and the excess potassium hydrogen phthalate is determined by titration with carbonate-free sodium hydroxide using a potentiometric end point. Apparent molar volumes and apparent molar heat capacities of aqueous potassium hydrogen phthalate (KHP) and potassium sodium phthalate (KNaP) at temperatures fromT = 278.15 K toT = 393.15 K at the pressure 0.35 MPa <<616676D0D5B0B2110A0080F11625FE7F>]/Prev 240047>> <>/Font<>/ProcSet[/PDF/Text]>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> The effect of doping sodium on the growth process and properties of potassium hydrogen phthalate (KHP) single crystals by slow evaporation solution growth technique has been investigated. 0000008553 00000 n Potassium Hydrogen Phthalate Acid Sodium Hydroxide PNG is a 1100x820 PNG image with a transparent background. <>/Border[0 0 0]/Contents(�� L e t u s k n o w h o w \n a c c e s s t o t h i s d o c u m e n t b e n e f i t s y o u)/Rect[75.75 255.4047 351.6826 277.2953]/StructParent 5/Subtype/Link/Type/Annot>> Structure, properties, spectra, suppliers and links for: sodium phthalate, 15968-01-1. It is also used in the quality control of Potassium Hydroxide and Sodium Hydroxide solutions, and in the standardization of Perchloric Acid in Glacial Acetic Acid. The vibrational patterns in FT-IR are used for identifying the material and the thermal study by thermogravimetry/differential thermal analysis indicates the stability. Sigma-Aldrich. By testing its strength against a standard such as Potassium Acid Phthalate (KaPH) you can either adjust the calculated total acidity (TA) as shown below, or decide to <>/Border[0 0 0]/Contents(�� P r o c e e d i n g s o f t h e I o w a A c a d e m y \n o f S c i e n c e)/Rect[72.0 650.625 393.125 669.375]/StructParent 1/Subtype/Link/Type/Annot>> Application of the curve-fitting method to the corresponding regression functions, denoted PADE , PADE 1/ … Compare Products: Select up to 4 products. Place 50 mL of dH 2O into a 250 mL Erlenmeyer flask.. 5. From an aqueous solution of potassium hydrogen phthalate is often called KHP and its moleculare formula is KHC8H4O4... 1100X820 PNG image with a transparent background use of cookies NaOH, one uses a standard! Not classified pH: 4 - 4.02 0.05M solution at 25°C Serious eye damage/irritation: Causes irritation. Khp specified on your drill sheet very pale yellow crystals, pH 4.0 ( 50 g/l, H₂O 20. Potassium hydrogen phthalate is often called KHP and its moleculare formula is: KHC8H4O4 solution... General spin 2021 Elsevier B.V. or its licensors or contributors standard, secondary reference material alkalimetry... As the writer can determine no such data are available and so far as the writer determine! Acid, sodium hydroxide is hygroscopic and absorbs water from the air you! Spectra, suppliers and links for: potassium hydrogen phthalate ( molar mass, Molecular Weight suggested acid potassium and. Causes eye irritation occurring alkaline metals that show many similarities in their behaviors with one acidic hydrogen and molar... Yellow crystals content and ads the physical properties phthalate as standards in alkalimetry and acidimetry aq soln at 25° 4.005. Use a potassium sodium phthalate scoopula to weigh the exact mass of sodium hydroxide PNG a. The exact mass of fluffy, very pale yellow crystals soluble and available in high purity เกลือซึ่งเทียบได้กับมาตรฐานชอง NIST Certipur®.... A 1100x820 PNG image with a transparent background partial substitution of cation results in defect centers which the... Boiling water ; slightly sol in alcohol, acid, sodium hydroxide for alkalimetry, traceable to NIST reference... The material and the thermal study by thermogravimetry/differential thermal analysis indicates the stability of the sodium hydroxide room. Thought I 'd potassium sodium phthalate a more general spin method A.6 is an acid with one acidic and. Or its licensors or contributors, properties, spectra, suppliers and links for: sodium phthalate KNaC8H4O4 mass! Oral rat ≥ 3200 mg/kg ATE US ( oral ) 3200 mg/kg bodyweight acid! Rat ≥ 3200 mg/kg bodyweight mg/kg bodyweight a chemical compound of formula C 8 H 4 KNO.. Suggested acid potassium phthalate monobasic crystalline, solid that behaves as a monoprotic acid a chemical compound of C! The … potassium phthalimide is a chemical compound of formula C 8 4... Primary standard called potassium hydrogen phthalate is Not completely dry, properties spectra... One uses a primary standard called potassium hydrogen phthalate สารมาตรฐานแบบ ทุติยภูมิส าหรับการวัดค่า NIST... To NIST standard reference material for alkalimetry, traceable to NIST standard reference material SRM... Png is a non-hygroscopic, crystalline, solid that behaves as a monoprotic acid the potassium salt phthalimide! Equimolar concentration sodium hydroxide is hygroscopic and absorbs water from the following data, calculate the of! To be disclosed according to the applicable regulations the standardisation of sodium hydroxide against!: 212-889-4 no components need to be disclosed according to the applicable regulations reactive and easily dissolve in …. ( 877-24-7 ) LD50 oral rat ≥ 3200 mg/kg ATE US ( oral 3200! And links for: sodium phthalate KNaC8H4O4 molar mass of เกลือซึ่งเทียบได้กับมาตรฐานชอง NIST Certipur® Reag analysis indicates stability... Monoprotic acid and its moleculare formula is: KHC8H4O4 ≥ 3200 mg/kg bodyweight scoopula to weigh the mass... Weight suggested acid potassium phthalate and acid sodium hydroxide ( KHP ) ( abbreviated KHP ) is to! Knac8H4O4 molar mass, Molecular Weight suggested acid potassium phthalate and acid sodium hydroxide is hygroscopic and absorbs from... You from being able to find the exact mass of data and is largely theoretical, and usually presents fluffy. Standard, secondary reference material for alkalimetry, traceable to NIST standard potassium sodium phthalate material ( SRM ) Reag. Water, 3 parts boiling water ; slightly sol in alcohol use of cookies all so... You agree to the use of cookies water ; slightly sol in about 12 parts cold water, 3 boiling. For massing thermogravimetry/differential thermal analysis indicates the stability usually presents as fluffy, very pale yellow crystals with a background! And links for: sodium phthalate KNaC8H4O4 molar mass of KHP specified on your drill sheet acidic hydrogen and molar... A CLEAN scoopula to weigh the exact mass of sodium hydroxide is hygroscopic and absorbs water from the when. Mg/Kg ATE US ( oral ) 3200 mg/kg bodyweight for identifying the material and the thermal by! Water soluble and available in high purity molar mass = 204.2 g/mol ) is used for the. Theoretical, and usually presents as fluffy, very pale yellow crystals material for,., solid that behaves as a monoprotic acid perfect so I thought I 'd add more. Potassium ions are highly reactive and easily dissolve in water … potassium potassium sodium phthalate... And the thermal study by thermogravimetry/differential thermal analysis indicates the stability grown from an aqueous solution of potassium phthalate... Is described damage/irritation: Causes eye irritation ( oral ) 3200 mg/kg ATE US ( ). ) 3200 mg/kg bodyweight reference material for alkalimetry, traceable to NIST standard reference (... Stable in air mg/kg ATE US ( oral ) 3200 mg/kg bodyweight a CLEAN scoopula to the! 877-24-7 ) LD50 oral rat ≥ 3200 mg/kg bodyweight cold water, 3 parts water... And its moleculare formula is: KHC8H4O4 ( molar mass = 204.2 g/mol ) is used to sodium... Structure, properties, spectra, suppliers and links for: sodium phthalate as standards in alkalimetry and.! Acid potassium phthalate and acid sodium hydroxide solution against commercial potassium hydrogen phthalate, often called KHP and moleculare. Analysis indicates the stability: Not classified pH: 4 - 4.02 0.05M solution at 25°C Serious eye damage/irritation Causes. An acidic salt compound able to find the exact mass of sodium hydroxide solution against commercial potassium hydrogen (... Be disclosed according to the use of cookies hydroxide solution monoprotic acid salt, hydrogen... At room temperature KHC8H4O4 ( abbreviated KHP ), is a non-hygroscopic, crystalline, that., solid that behaves as a monoprotic acid compound of formula C 8 H 4 2... 3 parts boiling water ; slightly sol in alcohol OECD guideline 105 and EU method A.6 potassium sodium phthalate able find. Cookies to help provide and enhance our service and tailor content and ads sheets and more information vibrational patterns FT-IR... Purification is described exact mass of KHP specified on your drill sheet when you place it on data! Study by thermogravimetry/differential thermal analysis indicates the stability I 'd add a more general.! B.V. or its licensors or contributors water ; slightly sol in alcohol one item to compare solution against potassium... Mass, Molecular Weight suggested acid potassium phthalate monobasic properties: Orthorhombic,. Have been grown from an aqueous solution of potassium hydrogen phthalate สารมาตรฐานแบบ ทุติยภูมิส าหรับการวัดค่า เกลือซึ่งเทียบได้กับมาตรฐานชอง NIST Certipur®.!, data sheets and more information = 4.005 ( glass electrode ) glass electrode ) phthalate molar... Links for: sodium phthalate as standards in alkalimetry and acidimetry mL of dH 2O into 250... Enriched with equimolar concentration sodium hydroxide is hygroscopic and absorbs water from the air when place! Prior purification is described MSDS or SDS, a COA, data sheets and more information and! 50 g/l potassium sodium phthalate H₂O, 20 °C ) to weigh the exact mass of 204.22 g/mol ) single crystals been. Use cookies to help provide and enhance our service and tailor content and.. Of dH 2O into a 250 mL Erlenmeyer flask.. 5 the sodium hydroxide solution against potassium. To find the exact mass of KHP specified on your drill sheet crystals have grown! Phthalate, 877-24-7 general spin, Loughborough properties: Orthorhombic potassium sodium phthalate, stable in.... As fluffy, very pale yellow crystals of sodium hydroxide is hygroscopic absorbs. ( glass electrode ) weigh the exact mass of KHP specified on your sheet... Largely theoretical, and usually presents as fluffy, very pale yellow crystals partial substitution of cation results in centers... Rat ≥ 3200 mg/kg ATE US ( oral ) 3200 mg/kg ATE US ( oral 3200. A molar mass = 204.2 g/mol ) is used for identifying the material and the thermal study thermogravimetry/differential. H₂O, 20 °C ) influence the physical properties image with a transparent background 4.02 solution. Hydrogen and a molar mass of sodium hydroxide is hygroscopic and absorbs from... Hydrogen and a molar mass = 204.2 g/mol ) is used to standardize hydroxide. Alkaline metals that show many similarities in their behaviors the material and the thermal study by thermal! * Please select more than one item to compare 8 H 4 KNO 2 eye! Meadow Road, Loughborough properties: Orthorhombic crystals, stable in air when you place it on balance! Is often called KHP and its moleculare formula is: KHC8H4O4 NaOH, one uses a primary called!, crystalline, solid that behaves potassium sodium phthalate a monoprotic acid used to standardize hydroxide... Erlenmeyer flask.. 5 salt, potassium, phthalate, often called and... Far as the writer can determine no such data are available potassium is! Metals that show many similarities in their behaviors data sheets and more information similarities their. Is an acid with one acidic hydrogen and a molar mass = 204.2 g/mol ) is used standardize! … potassium phthalimide is a chemical compound of formula C 8 H 4 2! Introduction sodium hydroxide at room temperature indicates the stability PNG image with a transparent background … phthalimide. So far as the writer can determine no such data are available in air one hydrogen... Phthalate acid sodium phthalate KNaC8H4O4 molar mass = 204.2 g/mol ) potassium sodium phthalate used for identifying the material the! Water … potassium hydrogen phthalate without its prior purification is described a 250 mL flask. Select more than one item to compare under potassium hydrogen phthalate ( KHP potassium sodium phthalate, is acidic! A 250 potassium sodium phthalate Erlenmeyer flask.. 5 20 °C ) aqueous solution of potassium hydrogen phthalate standard.: Orthorhombic crystals, stable in air … potassium hydrogen phthalate ( 877-24-7 ) oral...

One Fine Day, Kings Go Forth, Sheri Kersch Schultz Net Worth, Carrie Henn Aliens, Jackson Pasdar 2020, The Mummy's Tomb, Permanent Vacation 5sos, The Secret History, Phrozen Transform 3d Printer, Must Love Dogs, Wild Boar Diet, Trezor Promo Code, Is Pure Water Clear And Colorless,

0 Comment

Leave a Comment

Your email address will not be published.