2-Butene

CAS No.：107-01-7

Other grades of this product :

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

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)
Fp	<−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)

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 Information

Provider	Language
SigmaAldrich	English

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.
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	Extremelyflammable

2-Butene Preparation Products And Raw materials

Raw materials	methyl-2-heptenoate-->SEC-BUTYL METHYL ETHER-->SEC-BUTYL ETHER-->1,2-BUTADIENE-->4-BROMOBENZENESULFONIC ACID MONOHYDRATE-->Methanol-->1-Butanol-->Dimethyl ether
Preparation Products	2-(1-methylpropyl)phenol，2-sec-buty phenol-->2,2,3-TRIMETHYLPENTANE-->2,3,4-TRIMETHYLPENTANE-->ACETIC ACID 3-BUTEN-2-YL ESTER-->3,5-DIMETHYL-4-HEPTANONE-->2,3,3-TRIMETHYLPENTANE-->1,2-EPOXYBUTANE

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