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257486

Sigma-Aldrich

2-Methyl-1-butene

98%

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Linear Formula:
CH3CH2C(CH3)=CH2
CAS Number:
Molecular Weight:
70.13
Beilstein:
505975
EC Number:
MDL number:
PubChem Substance ID:

vapor pressure

9.98 psi ( 20 °C)

Quality Level

Assay

98%

form

liquid

refractive index

n20/D 1.378 (lit.)

bp

31 °C (lit.)

mp

−137 °C (lit.)

density

0.65 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

CCC(C)=C

InChI

1S/C5H10/c1-4-5(2)3/h2,4H2,1,3H3

InChI key

MHNNAWXXUZQSNM-UHFFFAOYSA-N

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This Item
M32704190403379263
2-Methyl-1-butene 98%

Sigma-Aldrich

257486

2-Methyl-1-butene

2-Methyl-2-butene ≥99%, purified by redistillation

Sigma-Aldrich

M32704

2-Methyl-2-butene

2,3-Dimethyl-1-butene 97%

Sigma-Aldrich

190403

2,3-Dimethyl-1-butene

2-Methyl-2-butene technical grade, 90%

Sigma-Aldrich

379263

2-Methyl-2-butene

form

liquid

form

-

form

liquid

form

liquid

refractive index

n20/D 1.378 (lit.)

refractive index

n20/D 1.385 (lit.)

refractive index

n20/D 1.389 (lit.)

refractive index

n20/D 1.385 (lit.)

bp

31 °C (lit.)

bp

35-38 °C (lit.)

bp

56 °C (lit.)

bp

35-38 °C (lit.)

mp

−137 °C (lit.)

mp

−134 °C (lit.)

mp

−158 °C (lit.)

mp

−134 °C (lit.)

density

0.65 g/mL at 25 °C (lit.)

density

0.662 g/mL at 25 °C (lit.)

density

0.68 g/mL at 25 °C (lit.)

density

0.662 g/mL at 25 °C (lit.)

General description

Reactivity of 2-methyl-1-butene in the etherification reaction with ethanol catalyzed by a strongly acidic macroreticular resin catalyst has been investigated. Kinetics and mechanism of addition of hydrogen and deuterium chloride to 2-methyl-1-butene in nitromethane has been investigated.

Pictograms

Flame

Signal Word

Danger

Hazard Statements

Hazard Classifications

Flam. Liq. 1

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

-34.6 °F

Flash Point(C)

-37 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Etherification rates of 2-methyl-2-butene and 2-methyl-1-butene with ethanol for environmentally clean gasoline production.
Oktar N, et al.
Journal of Chemical Technology and Biotechnology, 74(2), 155-161 (1999)
Kinetics and mechanism of addition of acids to olefins. III. Addition of hydrogen chloride to 2-methyl-1-butene, 2-methyl-2-butene, and isoprene in nitromethane.
Pocker Y, et al.
Journal of the American Chemical Society, 91(15), 4199-4205 (1969)

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