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190403

Sigma-Aldrich

2,3-Dimethyl-1-butene

97%

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Linear Formula:
(CH3)2CHC(CH3)=CH2
CAS Number:
Molecular Weight:
84.16
Beilstein/REAXYS Number:
505982
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

vapor pressure

412 mmHg ( 37.7 °C)

assay

97%

form

liquid

autoignition temp.

680 °F

refractive index

n20/D 1.389 (lit.)

bp

56 °C (lit.)

mp

−158 °C (lit.)

density

0.68 g/mL at 25 °C (lit.)

SMILES string

CC(C)C(C)=C

InChI

1S/C6H12/c1-5(2)6(3)4/h6H,1H2,2-4H3

InChI key

OWWIWYDDISJUMY-UHFFFAOYSA-N

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1 of 4

This Item
235377145491257931
vibrant-m

190403

2,3-Dimethyl-1-butene

vibrant-m

235377

Butyl methyl ether

vibrant-m

145491

2,3-Dimethyl-1,3-butadiene

vibrant-m

257931

3-Methyl-1-butene

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

100

bp

56 °C (lit.)

bp

70-71 °C (lit.)

bp

68-69 °C (lit.)

bp

20 °C (lit.)

refractive index

n20/D 1.389 (lit.)

refractive index

n20/D 1.374 (lit.)

refractive index

n20/D 1.438 (lit.)

refractive index

-

mp

−158 °C (lit.)

mp

−115 °C (lit.)

mp

−76 °C (lit.)

mp

−168.5-−168 °C (lit.)

form

liquid

form

liquid

form

liquid

form

-

General description

Gas phase reaction of 2,3-dimethyl-1-butene with the OH radical has been investigated in the presence of NO.

Application

2,3-Dimethyl-1-butene was used to investigate the mechanism of the sulfur vulcanization of rubber.

pictograms

FlameHealth hazard

signalword

Danger

Hazard Classifications

Asp. Tox. 1 - Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

-0.4 °F - closed cup

flash_point_c

-18 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves


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3-Methyl-1-butene 95%

Sigma-Aldrich

257931

3-Methyl-1-butene

Sulfur Vulcanization of Simple Model Olefins Part III: Vulcanization of 2, 3-Dimethyl-2-Butene in the Presence of Different Metal Complexes.
Versloot P, et al.
Rubber Chemistry and Technology, 67(2), 263-279 (1994)
Products of the Gas-Phase Reactions of a Series of 1-Alkenes and 1-Methylcyclohexene with the OH Radical in the Presence of NO.
R Atkinson et al.
Environmental science & technology, 29(6), 1674-1680 (1995-06-01)

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