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19270

Butyric anhydride

purum, ≥97.0% (NT)

Synonym(s):

Butanoic anhydride

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About This Item

Linear Formula:
(CH3CH2CH2CO)2O
CAS Number:
106-31-0
Molecular Weight:
158.19
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
329751708
EC Number:
203-383-4
Beilstein/REAXYS Number:
1099474
MDL number:
MFCD00009389
Assay:
≥97.0% (NT)
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vapor density

5.45 (vs air)

Quality Segment

vapor pressure

10 mmHg ( 79.5 °C)

grade

purum

assay

≥97.0% (NT)

autoignition temp.

535 °F

expl. lim.

1.1 %, 104 °F, 7.6 %, 144 °F

refractive index

n20/D 1.413

bp

198-199 °C (lit.)

mp

−75-−66 °C (lit.)

solubility

alcohol: soluble (with decomposition)(lit.), diethyl ether: soluble(lit.), water: soluble (with decomposition)(lit.)

density

0.967 g/mL at 25 °C (lit.)

functional group

anhydride, ester

SMILES string

CCCC(=O)OC(=O)CCC

InChI

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

InChI key

YHASWHZGWUONAO-UHFFFAOYSA-N

Application

Butyric anhydride was used in the synthesis of:
  • dibutyrylchitin, a lipophilic chitin diester
  • N-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-n-butyramide
  • butyric-ester derivatives of hyaluronic acid

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Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Codes

H302,H314

Hazard Classifications

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

supp_hazards

EUH014

Storage Class

8A - Combustible corrosive hazardous materials

WGK

WGK 1

Flash Point (°F)

188.6 °F - closed cup

Flash Point (°C)

87 °C - closed cup

PPE (personal protective equipment)

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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