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2-Butene

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2-Butene Basic information

Product Name:
2-Butene
Synonyms:
  • TRANS-BUTENE-2
  • TRANS-B-BUTYLENE
  • TRANS-SYM-DIMETHYLETHYLENE
  • TRANS-PSEUDOBUTYLENE
  • TRANS-2-BUTENE
  • (2E)-2-Butene
  • 2-Buten
  • dimethylethylene
CAS:
107-01-7
MF:
C4H8
MW:
56.11
EINECS:
203-452-9
Product Categories:
  • Building Blocks
  • Chemical Synthesis
  • Industrial/Fine Chemicals
  • Gas Cylinders
  • Hydrocarbons (Low Boiling point)
  • Organic Building Blocks
  • Synthetic Organic Chemistry
  • Acyclic
  • Alkenes
  • Organic Building Blocks
Mol File:
107-01-7.mol
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2-Butene Chemical Properties

Melting point:
−140 °C(lit.)
Boiling point:
1 °C(lit.)
Density 
0.6210
vapor density 
2 (vs air)
vapor pressure 
2575 mm Hg ( 37.7 °C)
refractive index 
1.3853 (estimate)
Flash point:
<−30 °F
explosive limit
9.3%
Water Solubility 
242.5mg/L at 25℃
Merck 
1520
BRN 
1718755
LogP
2.35 at 20℃
CAS DataBase Reference
107-01-7(CAS DataBase Reference)
EPA Substance Registry System
2-Butene (107-01-7)
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Safety Information

Hazard Codes 
F,F+
Risk Statements 
12
Safety Statements 
9-16-33
RIDADR 
UN 1012 2.1
WGK Germany 
3
RTECS 
EM2932000
Hazard Note 
Flammable
HazardClass 
2.1
HS Code 
29012320
Hazardous Substances Data
107-01-7(Hazardous Substances Data)

MSDS

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2-Butene Usage And Synthesis

Chemical Properties

2-butene appears as a colorless liquefied petroleum gas. Asphyxiate gas. Flammability limits in air 1.8-9.7% by volume.

Uses

2-Butene can be used as an intermediate, mainly for dehydrogenation to butadiene.

Definition

ChEBI: But-2-ene is a butene.

General Description

2-Butene is an alkene. All-silica zeolite RUB-41, containing 8- and 10-membered rings, is reported to be capable of separating trans-2-butene and cis-2-butene from 1-butene. Asymmetric gydrozirconation of cis- and trans-2-butene is reported. Stereospecific addition of methylene to trans-2-butene is reported to afford trans-1,2dimethylcyclopropane while similar addition to cis-2-butene affords cis-1,2dimethylcyclopropane.

Flammability and Explosibility

Extremely flammable

2-Butene Preparation Products And Raw materials

Preparation Products

2-ButeneSupplier

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