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Merck
CN

241342

1,2-Epoxybutane

≥99%

Synonym(s):

α-Butylene oxide, 1,2-Butylene oxide, 1-Butene oxide, Ethyloxirane

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About This Item

Empirical Formula (Hill Notation):
C4H8O
CAS Number:
106-88-7
Molecular Weight:
72.11
EC Number:
203-438-2
UNSPSC Code:
12162002
PubChem Substance ID:
24854476
Beilstein/REAXYS Number:
102411
MDL number:
MFCD00005153

Key Documents

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InChI key

RBACIKXCRWGCBB-UHFFFAOYSA-N

InChI

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

SMILES string

CCC1CO1

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.)

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Other Notes

This product has been replaced by 109975-ALDRICH | 1,2-Epoxybutane 99%

signalword

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

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

5.0 °F - closed cup

flash_point_c

-15 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
00110KH
S34571
16006CO
14003DS
11125CZ

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Zhengyuan Zhou et al.
International journal of pharmaceutics, 354(1-2), 82-87 (2007-12-08)
Ethylene oxide and 1,2-butylene oxide were sequentially polymerised to form the diblock copolymer E13B10 (E=oxyethylene, B=oxybutylene, subscripts denote number-average block lengths in repeat units). Dynamic and static light scattering over the temperature range 10-30 degrees C demonstrated a transition from
D Weinstein et al.
Environmental mutagenesis, 3(1), 1-9 (1981-01-01)
Based on the findings of Nagao et al [1978] that phenacetin is negative in the standard Ames test with Aroclor induced rat S-9 and positive with hamster S-9, the test was performed with a mixture of rat/hamster S-9. Phenacetin was
D Henschler et al.
Journal of cancer research and clinical oncology, 107(3), 149-156 (1984-01-01)
Previous analytical studies of industrial samples of trichloroethylene (TRI) have revealed the presence of mutagenic and carcinogenic epoxides which, it was proposed, might be responsible for the carcinogenicity of such samples, as demonstrated with mice in other laboratories. To test
A Ohnishi et al.
Environmental research, 60(2), 242-247 (1993-02-01)
Axonal neuropathy occurs due to occupational ethylene oxide (EtO) exposure. The experimental model of human EtO neuropathy was established. In addition, the neurotoxic effects of propylene oxide (PpO) and butylene oxide (BtO) were demonstrated in rats. Although no human neuropathy
J K Dunnick et al.
Toxicology, 50(1), 69-82 (1988-06-01)
1,2-Epoxybutane, a short-chain epoxide used as a stabilizer in chlorinated hydrocarbon solvents, was administered by inhalation exposure as a vapor 6 h/day, 5 day/week, for 24 months at exposure concentrations of 0, 200 or 400 ppm to F344/N rats and
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