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Key Documents

8.00503

Sigma-Aldrich

Butyric anhydride

for synthesis

Synonym(s):

Butyric anhydride

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About This Item

Linear Formula:
(CH3CH2CH2CO)2O
CAS Number:
106-31-0
Molecular Weight:
158.19
MDL number:
MFCD00009389
UNSPSC Code:
12352106
EC Index Number:
203-383-4

vapor pressure

0.4 hPa ( 20 °C)

Quality Level

200

assay

≥97.0% (GC)

form

liquid

autoignition temp.

290 °C

potency

8790 mg/kg LD50, oral (Rat)
6400 mg/kg LD50, skin (Rabbit)

expl. lim.

1.1-7.6 % (v/v)

bp

195-199 °C/1013 hPa

mp

-75 °C

transition temp

flash point 87 °C

density

0.963 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C8H14O3/c1-3-5-7(9)11-8(10)6-4-2/h3-6H2,1-2H3

InChI key

YHASWHZGWUONAO-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 97.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.966 - 0.968
Identity (IR): passes test

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B

supp_hazards

EUH014

Storage Class

8A - Combustible, corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

188.6 °F - closed cup

flash_point_c

87 °C - closed cup

Certificates of Analysis (COA)

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