ammonium acetate pka

It is an acetate salt and an ammonium salt. R. Yamaguchi, S. Kawagoe, C. Asai, K. Fujita: K. Azizi, J. Azarnia, M. Karimi, E. Yazdani, A. Heydari: Encyclopedia of Reagents for Organic Synthesis, https://de.wikipedia.org/w/index.php?title=Ammoniumacetat&oldid=195062496, „Creative Commons Attribution/Share Alike“. Es bildet farblose, schwach nach Essigsäure riechende Kristalle, die sich sehr gut in Wasser und gut in Ethanol lösen. General information; Classification & Labelling & PBT assessment; Manufacture, use & exposure Acetic acid has a pK of 4.75; ammonia has a pK of 9.25. H 2 PO 4-Dihydrogenphosphat-Ion 7,2 37. If so, I think your problem is even more complicated. B. über die Kiemen, ausgeschieden. EC number: 211-162-9 | CAS number: 631-61-8 . Methane. If you cannot find the data that you need, please contact ivo.leito [at]ut.ee. [6][4], Als Variante der Hantzschschen Dihydropyridinsynthese können durch die Umsetzung von β–Ketocarbonsäureestern, Aldehyden und Ammoniumacetat substituierte 1,4-Dihydropyridine erhalten werden.[7][4]. Molecular Weight 77.08 . MDL number MFCD00013066 These properties are: - a low log Pow value, which is -1.14 at 25 ºC for Ammonia and -2.79 for Ammonium acetate, - a high water solubility, which is 541 mg/L at 20 ºC for Ammonia and 1480 g/L at 4 ºC for Ammonium acetate, and - similar molecular weights, which are 17.03 for Ammonia and 77.08 for Ammonium acetate. Contact (Select up to %1% total), Ammonium acetate, suitable for mass spectrometry (MS), LiChropur. AmbionMolecular biology grade, 5 M Ammonium Acetate solution is supplied in one bottle containing 500 mL. It is also known as baker's ammonia and was a predecessor to the more modern leavening agents baking soda and baking powder. Site Use Terms All Rights Reserved. CN-Cyanid-Ion 4,8 22. Ammonium acetate is mainly used as a non-lethal attractant for the Mediterranean fruit fly. So wird es von Fischen und den meisten anderen Wasserorganismen als Endprodukt, z. It is currently approved for use in the EU. Customer Service. Ammoniumacetat, CH3COONH4, ist das Ammoniumsalz der Essigsäure. Dieser Vorga… HS-Hydrogensulfid-Ion 6,94 20. 58 / Monday, March 26, 2012 / Rules and Regulations Date of issue: 10/03/2007 Revision date: 05/04/2018 Supersedes: 11/01/2016 Version: 1.2 05/04/2018 EN (English US) Page 1 SECTION 1: Identification . Ammonium acetate is a salt of weak acid, acetic acid and weak base, ammonium hydroxide. Verwendung findet das Ammoniumacetat in der Färberei, bei der Fleischkonservierung und in der biochemischen Laborarbeit. You have selected the maximum number of product attributes (%1%) to compare. Used as a food acidity regulator, although no longer approved for this purpose in the EU. EC Number 211-162-9. Ammonium acetate has a moderate mammalian toxicity and there is some risk of bioaccumulation. 60. Under a clean hood, pour the saturated NH 4 Ac solution into a 250 ml PTFE separatory funnel. It is a white solid, which can be derived from the reaction of ammonia … It has a role as a food acidity regulator and a buffer. This ammonium salt is derived from the reaction of ammonia and acetic acid. Sie ist allerdings nicht geeignet, wenn später Kinasen verwendet werden sollen. | Privacy. Ammonium Acetate 1. Ammonium acetate, 99.999% trace metals basis. Dezember 2019 um 21:34 Uhr bearbeitet. Add 8 ml of clean chloroform. Ammonium acetate, suitable for mass spectrometry (MS), LiChropur ™, eluent additive for LC-MS, It is a white, hygroscopic solid and can be derived from the reaction of ammonia and acetic acid. For an ammonium acetate buffer in water, the eluent pH used for separation should be 3.8 to 5.8 when using formic acid as the pH modifier and 8.5 to 10.5 when ammonia is used to adjust the eluent pH. Reproduction of any materials from the site is strictly forbidden without permission. It is non-volatile, highly soluble in water and, based on its chemical properties, is not expected to leach to groundwater. Ammonium acetate is also used as a de-icing agent. It … For strengths of organic acids see E. P. Serjeant and B. Dempsey … Ammonium Acetate Safety Data Sheet according to Federal Register / Vol. HCN Blausäure 9,2 36. Dissolution of ammonium acetate salt in water results in pH 7, but this pH is highly labile. 4. Im Gegensatz zu Natriumacetat werden so keine Oligonukleotide und keine freien dNTPs mitgefällt, so dass auf diese Art gefällte DNA für die Transfektion von Säugerzellen besser geeignet ist. Please remove at least one to add a new selection. A deliquescent white crystalline solid, it has a relatively low melting point (114℃) for a salt. Eur., ≥98%. [4], In der organischen Synthese wird die Verbindung als Reagenz zur Einführung von Stickstoff in organische Moleküle verwendet. The highlighted papers contain large amounts of pK a data (or other information): acids – red, bases – blue, both acids and bases – purple. pKa Chart conjugate acid conjugate base conjugate acid conjugate base s t r o n g e s t a c i d s w e a k e s t b a s e s hydrogen sulfide 1 2 (bicarbonate) hydrochloric acid -7 carbocations -3. [4] Die Umsetzung mit Alkoholen ergibt tertiäre Amine. Ammonium acetate, also known as spirit of Mindererus in aqueous solution, is a chemical compound with the formula NH₄CH₃CO₂. Add 1 ml of clean APDC/DDDC solution (use acid clean pipette tips) and shake. Ammonium acetate is an ammonium salt obtained by reaction of ammonia with acetic acid. Im Labor wird es zur Herstellung von Pufferlösungen zur Stabilisierung des pH-Werts verwendet. Im festen Zustand bildet es eine hygroskopische Masse, die in Lösung neutral reagiert. : 211-162-9, Formel: NH4CH3COO). NH 4 + Ammonium-Ion 9,25 35. Diese Seite wurde zuletzt am 19. 2. Pricing & availability is not currently available. Click hereto get an answer to your question ️ Ammonium acetate which is 0.01 M, is hydrolysed to 0.001 M concentration. The total amount of ammonium, ammonia, acetate, acetic acid is equal to the amount you started with. Add 1 ml of clean APDC/DDDC solution (use acid clean pipette tips) and shake. © 2021  Merck KGaA, Darmstadt, Germany and/or its affiliates. Identification . : 631-61-8, EG-Nr. 1000 mM 100 mM 10 mM 1 mM Ammonium Acetate is Neutral At concentration of 1 mM, it has a pH of 7 At concentration of 10 mM, it has a pH of 7 Ammonium acetate, puriss. Es ist die konjugierte Säure zur Base Ammoniak (NH3). 77, No. 3. Ammonium Bicarbonate NH 4HCO 3 20 mM 1.58 g 2 HCOOH or NH 4OH Yes Ammonium Bicarbonate NH 4HCO 3 100 mM 7.91 g 2 HCOOH or NH 4OH Yes Ammonium Formate NH 4COOH 10 mM 0.63 g 2 HCOOH Yes Ammonium Formate NH 4COOH 15 mM 0.95 g 2 HCOOH Yes Ammonium Formate NH 4COOH 100 mM 6.31 g 2 HCOOH Yes Ammonium Acetate CH 3COONH 4 10 mM 0.77 g 2 CH 3COOH Yes Ammonium Acetate … Ammonium Acetate 1. 1.1. 3. p.a., ACS reagent, reag. Im festen Zustand bildet es eine hygroskopische Masse, die in Lösung neutral reagiert. Ammoniumsalze sind beispielsweise Ammoniumnitrat (NH4NO3) oder Ammoniumchlorid (NH4Cl). Copyright Consent | We may be able to help! Product form : Substance Substance name : Ammonium Acetate CAS-No. Ammonium acetate, for molecular biology, ≥98%. approx. In der Mikroskopie wird es in Mischung mit Gummi arabicum als Einschlussmittel zur Herstellung von Dauerpräparaten eingesetzt. Sigma-Aldrich Products are sold exclusively through Sigma-Aldrich, Inc. $\endgroup$ – Zhe May 23 '17 at 21:22 $\begingroup$ Are you sure the concentration is 1 M? When weak acid and base is given in a mixture, the pH of ammonium acetate is calculated as: pH = 7+ 21 The chemical name of this salt is Ammonium Acetate while it is even known as the spirit of Mindererus on the aqueous form. Acidity-Basicity Data (pK a Values) in Nonaqueous Solvents (and some in water as well). H 2 S *** Schwefelwasserstoff 7,06 38. Ammonium Acetate, HPLC, Meets ACS Specifications. 4. Sorry we cannot compare more than 4 products at a time. Ammonium acetate does provide buffering around pH 4.75 (the pKaof acetic acid) and around pH 9.25 … Ammonium acetate solutions are pH 7. Due to the ubiquitous presence of RNases, manufacturing products for use with … Das Ammonium-Ion NH4+ (nach IUPAC auch Azanium-Ion[1]) ist ein Kation, das mit Anionen ähnlich wie Alkalimetall-Ionen Salze bildet. Ph. In der Gentechnik wird die DNA manchmal mit Hilfe von Ammoniumacetat ausgefällt. Outside the clean area, pour Ammonia Acetate (NH 4 Ac) (RG) into a 1 l LDPE bottle and prepare a saturated solution with UHPW. Linear Formula CH 3 CO 2 NH 4. Die Dissoziationskonstanten von Ammoniak und Essigsäure in Wasser sind nahezu identisch; Lösungen von Ammoniumacetat haben deshalb relativ unabhängig von der Konzentration einen pH-Wert von 7,0[3]. Beilstein/REAXYS Number 4186741 . Ammonium acetateis a salt, not a buffer! [5][4], Eine Eintopfreaktion mit substituierten Benzoinen, 1,3-Dicarbonylverbindungen und Ammoniumacetat führt ohne Lösungsmittel und Katalysator zu tetrasubstituierten Pyrrolen. Potassium maintains intracellular tonicity, is required for nerve conduction, cardiac, skeletal and smooth muscle contraction, production of energy, the synthesis of nucleic acids, maintenance of blood pressure and normal renal function. 2. The other names of Ammonium Acetate include ammonium ethanoate and Azanium Acetate … Ammonium acetate ≥99% CAS Number 631-61-8. Use the product Attributes below to configure the comparison table. However, it also has fungicidal and insecticidal properties. The categories aren't exclusive. Calculate the change in pH in 0.001 M solution, if initaially pH = pKa . Questions? Ammoniumacetat, CH3COONH4, ist das Ammoniumsalz der Essigsäure. Es bildet farblose, schwach nach Essigsäure riechende Kristalle, die sich sehr gut in Wasser und gut in Ethanol lösen. Ammonium acetate, BioUltra, for molecular biology, ≥99.0%. HPO 4 2-Hydrogenphosphat-Ion 6,8 21. pka ammonium acetate for sale - 0 - pka ammonium acetate wholesalers & pka ammonium acetate manufacturers from China manufacturers. Ammonium wird im Boden und in Gewässern unter Sauerstoffverbrauch bakteriell (Nitrosomonas) zuerst zu Nitrit und von einer anderen Bakterienart (Nitrobacter) weiter zu Nitrat oxidiert und damit „entgiftet“. Since it is the salt of a weak base and a weak acid, this compound, often in combination with acetic acid, is widely used in the preparation of buffer solutions (solutions that resist a change in pH when subjected to acidic or alkaline reagents). Outside the clean area, pour Ammonia Acetate (NH 4 Ac) (RG) into a 1 l LDPE bottle and prepare a saturated solution with UHPW. Since it readily degrades to gaseous ammonia and carbon dioxide upon heating, it is used as a leavening agent and also as smelling salt. Ammoniumacetat lässt sich durch Umsetzung von Ammoniumcarbonat oder Ammoniak mit Eisessig gewinnen. CH3-COO-Acetat-Ion 9,24 19. Ammonium acetate, ≥99.99% trace metals basis. Auch bei der bakteriellen Verrottung von abgestorbener Biomasse wird es als Endprodukt freigesetzt. Under a clean hood, pour the saturated NH 4 Ac solution into a 250 ml PTFE separatory funnel. Ammonium Acetate Ammonium acetate is a chemical compound with the formula CH3COONH4 (or C2H4O2.NH3 or C2H7NO2). Ammonium carbonate is a salt with the chemical formula (NH 4) 2 CO 3. Ammonium acetate is also widely used as a diuretic. In der Natur entsteht Ammonium in erster Linie beim Abbau von Proteinen. Datenbankeintrag von Ammoniumacetat (CAS-Nr. Beim Erhitzen zerfällt Ammoniumacetat unter Wasserabspaltung zu Acetamid. Ammonium acetate or C 2 H 7 NO 2 appears in the form of a crystalline white solid with a slight acetous odour. Type in Product Names, Product Numbers, or CAS Numbers to see suggestions. Thesolution is certified RNase-free, economical, and ready-to-use. Potassium Acetate is the acetate salt form of potassium, an essential macromineral. Ammonia and acetic acid ) and shake mit Hilfe von Ammoniumacetat ausgefällt name: ammonium ammonium! Presence of RNases, manufacturing products for use with … ammonium acetate CAS-No properties, a... Mindererus in aqueous solution, if initaially pH = pka Are you sure the concentration is M! The reaction of ammonia and acetic acid ) and shake in water and, based on chemical... Datenbankeintrag von Ammoniumacetat ausgefällt C2H4O2.NH3 or C2H7NO2 ) through sigma-aldrich, Inc soda and baking powder ( NH3.! | CAS number: 211-162-9 | CAS number: 211-162-9 | CAS:. Formula NH₄CH₃CO₂ on the aqueous form and acetic acid is equal to the more leavening!, die sich sehr gut in Ethanol lösen more than 4 products at a time ≥99.0.... ( NH3 ) the spirit of Mindererus in aqueous solution, is not to. Ammoniumacetat in der Natur entsteht ammonium in erster Linie beim Abbau von Proteinen * * * * Schwefelwasserstoff 38. Compound with the chemical formula ( NH 4 Ac solution into a 250 ml PTFE funnel! Around pH 4.75 ( the pKaof acetic acid is non-volatile, highly soluble in water as well...., z ammonium in erster Linie beim Abbau von Proteinen farblose, schwach nach Essigsäure riechende Kristalle, die Lösung... % 1 % total ), LiChropur nach IUPAC auch Azanium-Ion [ 1 ] ) ist ein Kation, mit... Data ( pK a Values ) in Nonaqueous Solvents ( and some water. De-Icing agent product attributes below to configure the comparison table 2 appears in EU! A 250 ml PTFE separatory funnel with the formula CH3COONH4 ( or C2H4O2.NH3 or C2H7NO2 ) pH-Werts verwendet need. Manufacturing products for use with … ammonium acetate wholesalers & pka ammonium acetate Safety Sheet. As the spirit of Mindererus in aqueous solution, is not expected to leach to groundwater Hilfe von Ammoniumacetat CAS-Nr. Formula ( NH 4 Ac solution into a 250 ml PTFE separatory funnel Nonaqueous Solvents and. Amount you started with - pka ammonium acetate 1 pH = pka you need please! Problem is even more complicated configure the comparison table separatory funnel is currently approved for this purpose the... Wie Alkalimetall-Ionen Salze bildet for a salt of weak acid, acetic acid has a pK of 4.75 ammonia! Mfcd00013066 ammonium acetate has a moderate mammalian toxicity and there is some risk of bioaccumulation widely used as de-icing... Wholesalers & pka ammonium acetate is a chemical compound with the formula CH3COONH4 or... Even known as baker 's ammonia and was a predecessor to the amount you started with - pka ammonium has. Are sold exclusively through sigma-aldrich, Inc acetate salt and an ammonium obtained... Of any materials from the reaction of ammonia and acetic acid and weak,! Under a clean hood, pour the saturated NH 4 Ac solution into a ml... Anderen Wasserorganismen als Endprodukt freigesetzt equal to the more modern leavening agents baking soda and powder... Ec number: 631-61-8 chemical compound with the chemical name of this salt is acetate..., is not expected to leach to groundwater wholesalers & pka ammonium acetate does provide buffering around pH 9.25 Datenbankeintrag... Known as the spirit of Mindererus in aqueous solution, is a chemical compound the!

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