2-ETHYL-1-BUTENE Chemical Properties

Melting point:

−131.5-−131 °C(lit.)

Boiling point:

64-65 °C(lit.)

Density 

0.689 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.396(lit.)

Flash point:

−15 °F

storage temp. 

2-8°C

form 

clear liquid

color 

Colorless to Almost colorless

Water Solubility 

Soluble in alcohol, and methanol. Insoluble in water.

BRN 

1697102

CAS DataBase Reference

760-21-4(CAS DataBase Reference)

EPA Substance Registry System

3-Methylenepentane (760-21-4)

Safety Information

Hazard Codes 

F,Xi,N

Risk Statements 

11-43-51/53

Safety Statements 

36/37-61

RIDADR 

UN 3295 3/PG 2

WGK Germany 

3

Autoignition Temperature

599 °F

TSCA 

Yes

HS Code 

2901.29.5000

HazardClass 

3

PackingGroup 

II

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

2-ETHYL-1-BUTENE Usage And Synthesis

Chemical Properties

Colorless liquid. Soluble in alcohol, acetone, ether, and benzene; insoluble in water. Combustible.

Uses

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

Uses

2-Ethyl-1-butene is used as an intermediate in organic synthesis and pharmaceuticals.

Safety Profile

A human eye irritant. A very dangerous fire hazard when exposed to heat, flames, or oxidizers. To fight fire, use dry chemical, CO2, foam, spray. When heated to decomposition it emits acrid smoke and irritating fumes.

Purification Methods

Wash it with 10N aqueous NaOH, then water. Dry the organic layer with CaCl2, filter and fractionally distil it. [Beilstein 1 IV 850.]

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