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241342

Sigma-Aldrich

1,2-Epoxybutane

≥99%

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Synonym(s):
α-Butylene oxide, 1,2-Butylene oxide, 1-Butene oxide, Ethyloxirane
Empirical Formula (Hill Notation):
C4H8O
CAS Number:
106-88-7
Molecular Weight:
72.11
Beilstein:
102411
EC Number:
203-438-2
MDL number:
MFCD00005153
UNSPSC Code:
12162002
PubChem Substance ID:
24854476

vapor density

2.2 (vs air)

vapor pressure

140 mmHg ( 20 °C)

Assay

≥99%

autoignition temp.

698 °F

expl. lim.

19 %

refractive index

n20/D 1.384 (lit.)

bp

63 °C (lit.)

density

0.829 g/mL at 25 °C (lit.)

SMILES string

CCC1CO1

InChI

1S/C4H8O/c1-2-4-3-5-4/h4H,2-3H2,1H3

InChI key

RBACIKXCRWGCBB-UHFFFAOYSA-N

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Other Notes

This product has been replaced by 109975-ALDRICH | 1,2-Epoxybutane 99%

replaced by

Product No.
Description
Pricing

109975

1,2-Epoxybutane, 99%

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

WGK

WGK 1

Flash Point(F)

5.0 °F

Flash Point(C)

-15 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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T Nakamura et al.
Biochemical and biophysical research communications, 180(1), 124-130 (1991-10-15)
Halohydrin hydrogen-halide-lyase, which catalyzes the interconversion of halohydrins to epoxides, purified from a recombinant E. coli was found to catalyze the transformation of 1,2-epoxybutane into beta-hydroxyvaleronitrile in the presence of cyanide. Chloride inhibited competitively the formation of beta-hydroxyvaleronitrile. The enzyme
M Katz et al.
Journal of environmental pathology and toxicology, 3(5-6), 171-187 (1980-06-01)
Nitrosopiperidine, sodium nitrite and 1,2 epoxybutane were tested in the Ames agar incorporation assay in an attempt to establish exact criteria for detecting the activity of these weak mutagens. As regards minimum concentrations it was determined that at 500 microgram
Hong Yuan Sun et al.
Carbohydrate research, 344(15), 1999-2004 (2009-08-26)
A new soluble cyclodextrin derivative 6-O-(2-hydroxybutyl)-beta-cyclodextrin (6-HB-beta-CD) was prepared. Its molecular binding and recognition ability were investigated with the comparison of beta-cyclodextrin (beta-CD), 2-O-(2-hydroxypropyl)-beta-cyclodextrin (2-HP-beta-CD), 6-O-(2-hydroxypropyl)-beta-cyclodextrin (6-HP-beta-CD), and 2-O-(2-hydroxybutyl)-beta-cyclodextrin (2-HB-beta-CD). The relationship between the complex stability constants and the possible
A M Rossi et al.
Teratogenesis, carcinogenesis, and mutagenesis, 3(1), 75-87 (1983-01-01)
In vivo and in vitro methodologies that have employed the yeast Schizosaccharomyces pombe as genetic indicator have been utilized to investigate the mutagenicity of two trichloroethylene (TCE) samples of pure and technical grade. Mutagenicity assays were also performed on two
Stuart J Khan et al.
Analytical chemistry, 78(8), 2608-2616 (2006-04-18)
Trace concentrations of small soluble epoxides are suspected byproducts of drinking water ozonation. However, adequate characterization of epoxide formation is currently limited by the lack of suitable analytical methods to target these chemicals in dilute, but complex aqueous solutions. One
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