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691275

Sigma-Aldrich

Acetic anhydride

Arxada quality, ≥99.5% (GC)

Linear Formula:
(CH3CO)2O
CAS Number:
Molecular Weight:
102.09
Beilstein:
385737
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

vapor density

3.5 (vs air)

vapor pressure

10 mmHg ( 36 °C)
4 mmHg ( 20 °C)

assay

≥99.5% (GC)

form

liquid

autoignition temp.

629 °F

quality

Arxada quality

expl. lim.

10.3 %

manufacturer/tradename

Arxada AG

impurities

≤0.5% acetic acid

refractive index

n20/D 1.390 (lit.)

bp

138-140 °C (lit.)

mp

−73 °C (lit.)

solubility

H2O: slightly soluble

density

1.08 g/mL (lit.)

SMILES string

CC(=O)OC(C)=O

InChI

1S/C4H6O3/c1-3(5)7-4(2)6/h1-2H3

InChI key

WFDIJRYMOXRFFG-UHFFFAOYSA-N

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Related Categories

Packaging

25 kg in composite drum

Analysis Note

KMnO4 test ≤40 mL (0.1% KMnO4 per 20 mL)

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

120.2 °F - closed cup

Flash Point(C)

49 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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