ChemicalBook > CAS DataBase List > 2-Methyl-1-pentene

2-Methyl-1-pentene

Product Name
2-Methyl-1-pentene
CAS No.
763-29-1
Chemical Name
2-Methyl-1-pentene
Synonyms
2-methylamylene;2-Methylpentene;2-PROPYLPROPENE;2-methyl-1-penten;C2H5CH2C(CH3)=CH2;4-Methyl-4-pentene;2-Methyl-pentene-1;2-Methylenepentane;2-METHYL-1-PENTENE;2-methyl-pent-1-ene
CBNumber
CB9854260
Molecular Formula
C6H12
Formula Weight
84.16
MOL File
763-29-1.mol
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2-Methyl-1-pentene Property

Melting point:
-136 °C
Boiling point:
62 °C(lit.)
Density 
0.682 g/mL at 25 °C(lit.)
vapor pressure 
325 mm Hg ( 37.7 °C)
refractive index 
n20/D 1.392(lit.)
Flash point:
−15 °F
storage temp. 
0-6°C
solubility 
Soluble in alcohol, benzene, chloroform, petroleum (Weast, 1986); miscible in pentane, cyclohexene, and other hydrocarbons.
form 
Liquid
color 
Clear colorless
Water Solubility 
Insoluble in water.
BRN 
1340499
Henry's Law Constant
0.28 atm?m3/mol at 25 °C (Mackay and Shiu, 1981)
CAS DataBase Reference
763-29-1(CAS DataBase Reference)
EPA Substance Registry System
2-Methyl-1-pentene (763-29-1)
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Safety

Hazard Codes 
F
Risk Statements 
11
Safety Statements 
9-16-29-33
RIDADR 
UN 2288 3/PG 2
WGK Germany 
3
RTECS 
SB2230000
10-23
Autoignition Temperature
572 °F
TSCA 
Yes
HazardClass 
3.1
PackingGroup 
II
HS Code 
29012900
Toxicity
LC50 (inhalation) for mice 127 g/m3/2-h, rats 115 g/3/4-h (quoted, RTECS, 1985).
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

Precautionary statements

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

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P242Use only non-sparking tools.

P243Take precautionary measures against static discharge.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
68450
Product name
2-Methyl-1-pentene
Purity
analytical standard
Packaging
25ml
Price
$226
Updated
2025/07/31
Sigma-Aldrich
Product number
68450
Product name
2-Methyl-1-pentene
Purity
analytical standard
Packaging
5ml
Price
$54.6
Updated
2022/05/15
TCI Chemical
Product number
M0245
Product name
2-Methyl-1-pentene
Purity
>98.0%(GC)
Packaging
25mL
Price
$140
Updated
2025/07/31
TCI Chemical
Product number
M0245
Product name
2-Methyl-1-pentene
Purity
>98.0%(GC)
Packaging
100mL
Price
$425
Updated
2025/07/31
TCI Chemical
Product number
M0245
Product name
2-Methyl-1-pentene
Purity
>98.0%(GC)
Packaging
500mL
Price
$1272
Updated
2025/07/31
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2-Methyl-1-pentene Chemical Properties,Usage,Production

Chemical Properties

CLEAR COLOURLESS LIQUID

Physical properties

Clear, colorless flammable liquid with an unpleasant hydrocarbon odor.

Uses

2-Methyl-1-pentene is prepared from 2-Methyl-1-pentene. 2-methyl-1-pentene is used in copolymerization of ethylene catalyzed by nonbridged half-titanocenes. The isomerization of 2-methyl-1-pentene leads to anionic activation of c-h bonds in olefins.

Uses

Organic synthesis, flavors, perfumes,medicines, dyes, oils, resins.

Definition

ChEBI: 2-methyl-1-pentene is an alkene that is pent-1-ene carrying a methyl group at position 2. It has a role as a human metabolite. It is an alkene and a volatile organic compound. It derives from a hydride of a pentane.

General Description

Colorless liquid. Flash point -15°F. Floats on water. Irritating vapor.

Air & Water Reactions

Highly flammable. Insoluble in water.

Reactivity Profile

2-Methyl-1-pentene may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release hydrogen gas. In the presence of various catalysts (such as acids) or initiators, may undergo exothermic addition polymerization reactions.

Hazard

Flammable, dangerous fire risk.

Health Hazard

INHALATION: May produce anesthetic effects. EYES: Moderate eye irritation possible.

Fire Hazard

Behavior in Fire: Can react vigorously with oxidizing materials.

Source

California Phase II reformulated gasoline contained 2-methyl-1-pentene at a concentration of 1.25 g/kg. Gas-phase tailpipe emission rates from gasoline-powered automobiles with and without catalytic converters were 0.23 and 26.6 mg/km, respectively (Schauer et al., 2002).

Environmental Fate

Photolytic. The reported reaction rate constants for the reaction of 2-methyl-1-pentene with OH radicals and ozone in the atmosphere are 1.05 x 10-17 and 6.26 x 10-11 cm3/molecule?sec, respectively (Atkinson and Carter, 1984; Atkinson, 1985).
Chemical/Physical. Complete combustion in air yields carbon dioxide and water.

Purification Methods

Water is removed, and formation of peroxides is prevented by several vacuum distillations of 2-methyl-1-pentene from sodium. It is stored with sodium-potassium alloy. [Beilstein 1 IV 841.]

2-Methyl-1-pentene Preparation Products And Raw materials

Raw materials

Preparation Products

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2-Methyl-1-pentene Suppliers

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View Lastest Price from 2-Methyl-1-pentene manufacturers

Henan Fengda Chemical Co., Ltd
Product
2-Methyl-1-pentene 763-29-1
Price
US $100.00-1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2023-12-25

763-29-1, 2-Methyl-1-penteneRelated Search:


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