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AX1222

Supelco

Ammonium Acetate

HPLC, Meets ACS Specifications

Synonym(s):

Ammonium Acetate, buffers

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About This Item

Empirical Formula (Hill Notation):
C2H7NO2
CAS Number:
631-61-8
Molecular Weight:
77.08
MDL number:
MFCD00013066
UNSPSC Code:
12352107
EC Index Number:
211-162-9

Quality Level

200

assay

≥98.0%

form

crystals

technique(s)

HPLC: suitable

impurities

≤0.005% Insoluble matter

ign. residue

≤0.01%

pH

6.7-7.3 (25 °C, 50 g/L in H2O)

mp

114 °C

solubility

1480 g/L

anion traces

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

cation traces

Fe: ≤5 ppm
heavy metals (as Pb): ≤5 ppm

UV absorption

λ: 254 nm Amax: ≤0.02
λ: 280 nm Amax: ≤0.01
λ: 350 nm Amax: ≤0.01

shipped in

ambient

storage temp.

2-8°C

InChI

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

InChI key

USFZMSVCRYTOJT-UHFFFAOYSA-N

Application

HPLC, Meets ACS Specifications

Analysis Note

Assay98.0% minChloride (Cl)5ppm maxFormWhite crystalsHeavy metals (as Pb)5ppm maxInsoluble matter0.005% maxIron (Fe)5ppm maxNitrate (NO3)0.001% maxResidue after ignition0.01% maxSulfate (SO4)0.001% maxUV Absorbance (1 M, water, 254 nm)0.02AU maxUV Absorbance (1 M, water, 280 nm)0.01AU maxUV Absorbance (1 M, water, 350 nm)0.01AU maxpH of a 5% solution at 25°C6.7-7.3

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