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245771

Isobutyric anhydride

97%

Synonym(s):

2-Methylpropionic anhydride

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About This Item

Linear Formula:
(CH3)2CHCO2COCH(CH3)2
CAS Number:
97-72-3
Molecular Weight:
158.19
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24854757
EC Number:
202-603-6
Beilstein/REAXYS Number:
386267
MDL number:
MFCD00008913
Assay:
97%
Form:
liquid
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vapor density

5.45 (vs air)

Quality Segment

200

vapor pressure

10 mmHg ( 67 °C)

assay

97%

form

liquid

autoignition temp.

624 °F

expl. lim.

1.09 %, 87 °F, 7.7 %, 127 °F

refractive index

n20/D 1.406 (lit.)

bp

182 °C (lit.)

mp

−56 °C (lit.)

density

0.954 g/mL at 25 °C (lit.)

functional group

anhydride, ester

SMILES string

CC(C)C(=O)OC(=O)C(C)C

InChI

1S/C8H14O3/c1-5(2)7(9)11-8(10)6(3)4/h5-6H,1-4H3

InChI key

LSACYLWPPQLVSM-UHFFFAOYSA-N

General description

The mechanism of esterification of 1-(1-naphthyl)ethanol by isobutyric anhydride with 4-pyrrolidinopyridine as catalyst was studied.

Application

Isobutyric anhydride was used in the synthesis of 4-O-isobutyryl derivative via reaction with octyl β-D-glucopyranoside in the presence of C2-symmetric chiral 4-pyrrolidinopyridine as a catalyst.

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pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Skin Corr. 1B

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

154.4 °F - closed cup

flash_point_c

68 °C - closed cup

ppe

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

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