MilliporeSigma
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242853

Sigma-Aldrich

Acetic acid

ACS reagent, ≥99.7%

Synonym(s):
Glacial acetic acid
Linear Formula:
CH3CO2H
CAS Number:
Molecular Weight:
60.05
Beilstein:
506007
EC Number:
MDL number:
PubChem Substance ID:

grade

ACS reagent

vapor density

2.07 (vs air)

vapor pressure

11.4 mmHg ( 20 °C)

assay

≥99.7%

autoignition temp.

800 °F

expl. lim.

16 %, 92 °F
4 %, 59 °F

impurities

Cr2O72- reducers, passes test
MnO4- reducers, passes test
≤0.0004 meq/g Titr. base
≤0.01% acetic anhydride

evapn. residue

≤0.001%

color

APHA: ≤10

refractive index

n20/D 1.371 (lit.)

bp

117-118 °C (lit.)

mp

16.2 °C (lit.)

density

1.049 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤1 ppm
sulfate (SO42-): ≤1 ppm

cation traces

Fe: ≤0.2 ppm
heavy metals (as Pb): ≤0.5 ppm

SMILES string

CC(O)=O

InChI

1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4)

InChI key

QTBSBXVTEAMEQO-UHFFFAOYSA-N

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Other Notes

ACS specifications same as product 320099

Certificate of Analysis

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Certificate of Origin

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