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531537

Sigma-Aldrich

1,2-Epoxy-2-methylpropane

97%

Synonym(s):

1,2-Epoxy-isobutane, 2,2-Dimethyloxirane, Isobutylene oxide

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About This Item

Empirical Formula (Hill Notation):
C4H8O
CAS Number:
558-30-5
Molecular Weight:
72.11
EC Number:
209-193-8
MDL number:
MFCD00066354
UNSPSC Code:
12162002
PubChem Substance ID:
24877823
NACRES:
NA.23

Quality Level

200

assay

97%

refractive index

n20/D 1.374 (lit.)

bp

50-51 °C (lit.)

density

0.812 g/mL at 25 °C (lit.)

SMILES string

CC1(C)CO1

InChI

1S/C4H8O/c1-4(2)3-5-4/h3H2,1-2H3

InChI key

GELKGHVAFRCJNA-UHFFFAOYSA-N

Related Categories

signalword

Danger

Hazard Classifications

Carc. 2 - Flam. Liq. 2 - Muta. 2 - Skin Corr. 1C

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

-26.5 °F

flash_point_c

-32.5 °C

ppe

Eyeshields, Faceshields, Gloves

Certificates of Analysis (COA)

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M Cornet et al.
Archives of toxicology, 65(4), 263-267 (1991-01-01)
Until now, no data are available concerning the biotransformation and toxicity of 2-methylpropene (or isobutene), a gaseous alkene widely used in industry (rubber, fuel additives, plastic polymers, adhesives, antioxidants). In this work, the biotransformation of 2-methylpropene (MP) has been studied
M Cornet et al.
Chemical research in toxicology, 8(7), 987-992 (1995-10-01)
The biotransformation of 2-methylpropene, a gaseous alkene widely used in industry, was investigated in vitro in liver tissue of rats, mice, and humans. Interspecies comparison revealed that the lowest levels of the primary epoxide metabolite were detected in incubations of
M Cornet et al.
Mutation research, 271(3), 213-221 (1992-06-01)
The mutagenic properties of 2-methylpropene (MP) and 2-methyl-1,2- epoxypropane (MEP) were investigated in the Salmonella assay. A simple exposure system, consisting of gastight tissue culture flasks, was used. This method has the advantage that the volatile test chemical is present
Paul R Carlier et al.
The Journal of organic chemistry, 71(4), 1592-1597 (2006-02-14)
Protonated epoxides feature prominently in organic chemistry as reactive intermediates. Herein, we describe 10 protonated epoxides using B3LYP, MP2, and CCSD/6-311++G calculations. Relative to CCSD, B3LYP consistently overestimates the C2-O bond length. Protonated 2-methyl-1,2-epoxypropane is the most problematic species studied
U Jorritsma et al.
Mutagenesis, 10(2), 101-104 (1995-03-01)
2-Methylpropene (isobutene), a gaseous compound widely used in chemical industries, is metabolized to the epoxide 2-methyl-1,2-epoxypropane. The parent compound has previously been shown to be non-mutagenic in a modified Ames test, whereas the epoxide metabolite gave a positive result. In
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