ChemicalBook > CAS DataBase List > 2-BUTENE

2-BUTENE

Product Name
2-BUTENE
CAS No.
624-64-6
Chemical Name
2-BUTENE
Synonyms
(E)-2-C4H8;t-butene-2;2-BUTYLENE;TR-2-BUTENE;(E)-2-Butene;trans-Butene;2-Butene,(E)-;(E)-But-2-ene;2-trans-Butene;(2E)-But-2-ene
CBNumber
CB6449452
Molecular Formula
C4H8
Formula Weight
56.11
MOL File
624-64-6.mol
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2-BUTENE Property

Melting point:
−140 °C(lit.)
Boiling point:
1 °C(lit.)
Density 
0.5990
vapor density 
2 (vs air)
vapor pressure 
2575 mm Hg ( 37.7 °C)
refractive index 
1.3932
Flash point:
<−30 °F
explosive limit
9.7%
Merck 
1520
BRN 
1718756
Stability:
Stable. Incompatible with strong oxidizing agents, peroxides, peroxyacids, aluminium tetrahydroborate. Extremely flammable.
InChIKey
IAQRGUVFOMOMEM-ONEGZZNKSA-N
CAS DataBase Reference
624-64-6(CAS DataBase Reference)
EPA Substance Registry System
trans-2-Butene (624-64-6)
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Safety

Hazard Codes 
F,F+
Risk Statements 
12-11
Safety Statements 
9-16-33-38
RIDADR 
UN 1012 2.1
WGK Germany 
3
RTECS 
EM2932000
Autoignition Temperature
615 °F
DOT Classification
2.1 (Flammable gas)
HazardClass 
2.1
HS Code 
2901230000
Hazardous Substances Data
624-64-6(Hazardous Substances Data)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H220Extremely flammable gas

H280Contains gas under pressure; may explode if heated

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P410+P403Protect from sunlight. Store in a well-ventilated place.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
295086
Product name
trans-2-Butene
Purity
≥99%
Packaging
50g
Price
$405
Updated
2024/03/01
Sigma-Aldrich
Product number
295086
Product name
trans-2-Butene
Purity
≥99%
Packaging
200g
Price
$1530
Updated
2024/03/01
Apolloscientific
Product number
OR4472
Product name
(2E)-But-2-ene
Packaging
200g
Price
$798
Updated
2021/12/16
SynQuest Laboratories
Product number
1300-1-E4
Product name
trans-2-Butene
Purity
95%
Packaging
50g
Price
$195
Updated
2021/12/16
Apolloscientific
Product number
OR4472
Product name
(2E)-But-2-ene
Packaging
50g
Price
$285
Updated
2021/12/16
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2-BUTENE Chemical Properties,Usage,Production

Chemical Properties

colourless gas

Chemical Properties

2-Butene, C4H8, can occur in trans or cis conformation; the former is the more stable form. It is a colorless, extremely flammable gas. 2-Butene occurs in coal gas and has been detected in diesel exhaust. The more highly reactive trans-2-butene occurs at much lower concentrations in the atmosphere than other comparable hydrocarbons.

Uses

trans-2-Butene can be used as a monomer unit to produce high molecular weight polyolefins with well-defined microstructures by nickle-catalyzed polymerization reaction. It is also used as a reactant in the isomerization reaction to produce the corresponding isomer using acid-activated catalysts.

Definition

ChEBI: But-2-ene is a butene.

Production Methods

2-Butene has been recovered from refining gases or produced by petroleum cracking. It is a component in the production of gasolines, butadiene, and a variety of other chemicals.

General Description

A colorless liquefied petroleum gas. An asphyxiant. Flammability limits of 1.8-9% by volume.

Air & Water Reactions

Highly flammable. Insoluble in water.

Reactivity Profile

The unsaturated aliphatic hydrocarbons, such as 2-BUTENE, are generally much more reactive than the alkanes. Strong oxidizers may react vigorously with them. Reducing agents can react exothermically to release gaseous hydrogen. In the presence of various catalysts (such as acids) or initiators, compounds in this class can undergo very exothermic addition polymerization reactions. Aluminum borohydride reacts with alkenes and in the presence of oxygen, combustion is initiated even in the absence of moisture.

Purification Methods

The gas is dried with CaH2 and purified by gas chromatography. [Beilstein 1 H 205, 1 II 176, 1 III 730, 1 IV 781.] HIGHLY FLAMMABLE.

2-BUTENE Preparation Products And Raw materials

Raw materials

Preparation Products

2-BUTANOL
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2-BUTENE Suppliers

China 46 Europe 2 France 1 Germany 2 India 2 Japan 1 Switzerland 1 United Kingdom 2 United States 14 Global 71
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View Lastest Price from 2-BUTENE manufacturers

Career Henan Chemical Co
Product
2-BUTENE 624-64-6
Price
US $7.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
100kg
Release date
2020-02-18

624-64-6, 2-BUTENERelated Search:

2-BROMO-TRANS-2-BUTENE Mesaconic acid 2-CHLORO-2-BUTENE,2-CHLORO-2-BUTENE(CIS-TRANS) TRANS-2-BUTENE-1,4-BIS(TRIPHENYLPHOSPHONIUM CHLORIDE) 2-Methyl-1-butene-3-one 2-METHYL-2-BUTENE 2-BUTENE OXIDE Ethyl crotonate 2-BUTENE-1-OL 2-Butene 1,4-Dibromo-trans-2-butene,4-dibromo- trans-2-butene 2-ETHYL-1-BUTENE 2-BROMO-TRANS-2-BUTENE 1,4-Dichloro-trans-2-butene 2-HYDROXY-2-METHYL-3-BUTENE,2-METHYL-3-BUTENE-2-OL TRANS-2-BUTENYL ACETATE Crotonic acid 2-CHLORO-4-(3-METHOXYPHENYL)-1-BUTENE

  • (E)-2-Butene
  • (E)-2-C4H8
  • (E)-But-2-ene
  • 2-Butene,(E)-
  • 2-trans-Butene
  • beta-trans-butylene
  • TRANS-2-BUTENE, 99+%
  • 2-Butene, (2E)-
  • TRANS-BETA-BUTYLENE
  • 2-BUTENE(TRANS-FORM)
  • TR-2-BUTENE
  • trans-2-Butene (in cylinder without valve)
  • Butene, trans, 2-: (trans-1,2-Dimethylethylene)
  • trans-2-Butene (in cylinder without valve) [To use this product charged in cylinder, a valve is required which is sold separately (Product Code:V0030)]
  • trans-2-BUTENE 99%
  • (2E)-But-2-ene
  • trans-2-Butene&nbsp
  • low-boilingbutene-2
  • t-butene-2
  • trans-1,2-Dimethylethylene
  • trans-but-2-ene
  • trans-Butene
  • trans-Butylene
  • 2-BUTYLENE
  • 2-BUTENE (TRANS)
  • TRANS-2-BUTENE
  • TRANS-PSEUDOBUTYLENE
  • TRANS-SYM-DIMETHYLETHYLENE
  • TRANS-B-BUTYLENE
  • TRANS-BUTENE-2
  • CIS/TRANS-2-BUTENE
  • trans-2-BUTENE, 99%trans-2-BUTENE, 99%trans-2-BUTENE, 99%trans-2-BUTENE, 99%
  • rans-but-2-ene
  • Anti - 2 - butene
  • 624-64-6
  • 624646
  • Synthetic Reagents
  • Gas Cylinders
  • Hydrocarbons (Low Boiling point)
  • Building Blocks
  • Alkenes
  • Acyclic
  • Organic Building Blocks
  • Compressed and Liquefied Gases
  • Gas Cylinders
  • Hydrocarbons (Low Boiling point)
  • Synthetic Organic Chemistry
  • Chemical Synthesis
  • Compressed and Liquefied Gases
  • Synthetic Reagents