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532355

Sigma-Aldrich

(R)-(+)-1,2-Epoxybutane

98%

Synonym(s):

(2R)-Ethyloxirane

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About This Item

Empirical Formula (Hill Notation):
C4H8O
CAS Number:
Molecular Weight:
72.11
MDL number:
UNSPSC Code:
12352005
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

98%

optical activity

[α]20/D 10°, neat

refractive index

n20/D 1.386 (lit.)

bp

63 °C (lit.)

density

0.837 g/mL at 25 °C (lit.)

functional group

ether

SMILES string

CC[C@@H]1CO1

InChI

1S/C4H8O/c1-2-4-3-5-4/h4H,2-3H2,1H3/t4-/m1/s1

InChI key

RBACIKXCRWGCBB-SCSAIBSYSA-N

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

10.0 °F - closed cup

Flash Point(C)

-12.2 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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
Quantitative determination of 1,2-butylene oxide in whole rat blood by gas chromatography-mass spectrometry.
P E Kastl et al.
Journal of chromatography, 398, 347-350 (1987-07-10)
D B McGregor et al.
Environmental and molecular mutagenesis, 13(3), 197-202 (1989-01-01)
Trichloroethylene (TCE) is a high production volume chemical frequently stabilized with oxiranes. These oxiranes may be responsible for the mutagenic activity of TCE in Salmonella, which has been occasionally, but not consistently, reported. High purity and oxirane-stabilized TCE samples were
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
1,2-Epoxybutane.
IARC monographs on the evaluation of carcinogenic risks to humans, 47, 217-228 (1989-01-01)

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