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Sigma-Aldrich

Ammonium acetate

≥99.99% trace metals basis

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Linear Formula:
CH3CO2NH4
CAS Number:
631-61-8
Molecular Weight:
77.08
Beilstein:
4186741
EC Number:
211-162-9
MDL number:
MFCD00013066
eCl@ss:
39021908
PubChem Substance ID:
329756310

grade

for inorganic trace analysis

Quality Level

100

Agency

suitable for ASTM® 7969
suitable for ASTM® 7979
suitable for DIN 38407-43
suitable for EPA 1634
suitable for EPA 534
suitable for EPA 538.1
suitable for EPA 8328
suitable for EPA ACB B21-03
suitable for EPA ACB B23-05b
suitable for GB 31604.35-2016
suitable for GB 5009.253-2016
suitable for ISO 21675 2019
suitable for ISO 25101
suitable for ISO/CEN 15968-2011

reg. compliance

suitable for FDA C-010.02

vapor pressure

<0.001 hPa

Assay

≥99.99% trace metals basis

form

solid

impurities

≤0.005% insolubles
<100 ppm total metallic impurities

pH

6.7-7.3 (25 °C, 5% in water)
6.7-7.3

mp

110-112 °C (dec.) (lit.)

solubility

water: soluble 1,480 g/L at 4 °C

anion traces

chloride (Cl-): ≤5 ppm
nitrate (NO3-): ≤0.001%
sulfate (SO42-): ≤0.001%

cation traces

Fe: ≤5 ppm
heavy metals: ≤5 ppm

SMILES string

N.CC(O)=O

InChI

1S/C2H4O2.H3N/c1-2(3)4;/h1H3,(H,3,4);1H3

InChI key

USFZMSVCRYTOJT-UHFFFAOYSA-N

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General description

Ammonium acetate (NH4C2H3O2) is water soluble, hygroscopic ammonium salt. It is ecofriendly and inexpensive, which can be prepared by reacting glacial acetic acid with ammonia or ammonium carbonate. It is commonly utilized in dye industry and as meat preservative. It participates in the generation of sol-gel formaldehyde sensors utilized for detecting formaldehyde in air samples. Neutron energy-gain spectrum of ammonium acetate has been recorded which gives data on the atomic motions. It has been reported to regenerate aldehydes from bisulfite addition products and diacetates in the absence of solvent and under microwave condition.
Meets ACS reagent specifications.

Application

Ammonium acetate may be used as a component of mobile phase for HPLC analysis.
It may be used in the synthesis of the following:
  • Phenanthroline derivatives employed as corrosion inhibitors.
  • Highly substituted imidazoles.
  • 2,4-Diarylpolyhydroquinoline derivatives.

Legal Information

ASTM is a registered trademark of American Society for Testing and Materials

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Screening for bioactive compounds from algae.
Plaza M, et al.
Journal of Pharmaceutical and Biomedical Analysis, 51(2), 450-455 (2010)
A convenient synthesis of 2,4-diarylpolyhydroquinoline derivations in the presence of ammonium acetate.
Wang XS, et al.
Synthetic Communications, 32(22), 3449-3454 (2002)
Eagleson M.
Concise Encyclopedia Chemistry, 65-65 (1994)
Scattering of Cold Neutrons in Ammonium Carbonate, Ammonium Citrate, and Ammonium Acetate.
Myers VW.
J. Chem. Phys. , 46(10), 4034-4035 (1967)
Sol-gel based sensor for selective formaldehyde determination.
Bunkoed O, et al.
Analytica Chimica Acta, 659(1), 251-257 (2010)
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