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109975

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
UNSPSC Code:
12162002
NACRES:
NA.23
PubChem Substance ID:
24846950
EC Number:
203-438-2
Beilstein/REAXYS Number:
102411
MDL number:
MFCD00005153
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vapor density

2.2 (vs air)

Quality Segment

200

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

Application

1,2-Epoxybutane can be used:
  • As a monomer to synthesize novel initiators via ring-opening polymerization. These initiators can be used to prepare complex macromolecules such as grafted polyamides.
  • To functionalize polyethyleneimine which is used in the synthesis of oxidation-stable adsorbents for CO2 capture.

Features and Benefits

  • High polymerizability
  • Low susceptibility to transfer reaction
  • Ease of handling

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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

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