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L095004

Sigma-Aldrich

Acetic anhydride

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About This Item

Linear Formula:
(CH3CO)2O
CAS Number:
108-24-7
Molecular Weight:
102.09
Beilstein/REAXYS Number:
385737
EC Number:
203-564-8
MDL number:
MFCD00008705
UNSPSC Code:
12352100
NACRES:
NA.51

vapor density

3.5 (vs air)

Quality Level

200

vapor pressure

10 mmHg ( 36 °C)
4 mmHg ( 20 °C)

autoignition temp.

629 °F

expl. lim.

10.3 %

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.)

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signalword

Danger

Hazard Classifications

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

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

120.2 °F - closed cup

flash_point_c

49 °C - closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
HMBJ2137
HMBJ1716
HMBH8755
HMBH4367
HMBH9703

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