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143820

Sigma-Aldrich

2,4,4-Trimethyl-2-pentene

99%

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Synonym(s):
β-Diisobutylene
Linear Formula:
(CH3)3CCH=C(CH3)2
CAS Number:
Molecular Weight:
112.21
Beilstein/REAXYS Number:
1719492
EC Number:
MDL number:
PubChem Substance ID:

vapor density

>1 (vs air)

vapor pressure

83 mmHg ( 37.7 °C)

assay

99%

form

liquid

autoignition temp.

586 °F

refractive index

n20/D 1.416 (lit.)

bp

104 °C (lit.)

mp

−106.3-−106 °C (lit.)

density

0.72 g/mL at 25 °C (lit.)

SMILES string

C\C(C)=C\C(C)(C)C

InChI

1S/C8H16/c1-7(2)6-8(3,4)5/h6H,1-5H3

InChI key

LAAVYEUJEMRIGF-UHFFFAOYSA-N

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1 of 4

This Item
531537U5127T78409
vibrant-m

143820

2,4,4-Trimethyl-2-pentene

vibrant-m

531537

1,2-Epoxy-2-methylpropane

vibrant-m

U5127

Ursodeoxycholic acid

vibrant-m

T78409

2,4,4-Trimethyl-1-pentene

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

100

bp

104 °C (lit.)

bp

50-51 °C (lit.)

bp

-

bp

101-102 °C (lit.)

mp

−106.3-−106 °C (lit.)

mp

-

mp

203-204 °C (lit.)

mp

-

density

0.72 g/mL at 25 °C (lit.)

density

0.812 g/mL at 25 °C (lit.)

density

-

density

0.708 g/mL at 25 °C (lit.)

refractive index

n20/D 1.416 (lit.)

refractive index

n20/D 1.374 (lit.)

refractive index

-

refractive index

n20/D 1.408 (lit.)

Application

2,4,4-Trimethyl-2-pentene was used to study the kinetics of liquid-phase hydrogenation of isooctenes on Pd/γ-Al2O3 catalyst in semibatch reactor. It was used in the analysis of butene oligomerate produced over solid and liquid phosphoric acid by GC-MS techniques.

pictograms

FlameEnvironment

signalword

Danger

Hazard Classifications

Aquatic Chronic 2 - Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

35.6 °F - closed cup

flash_point_c

2 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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Butene oligomerization over phosphoric acid: structural characterization of products.
Bekker R and Prinsloo NM.
Industrial & Engineering Chemistry Research, 48(22), 10156-10162 (2009)
Kinetics of liquid-phase hydrogenation of isooctenes on a Pd/?-alumina catalyst.
Sarkar A, et al.
AIChE Journal, 52(3), 1142-1156 (2006)

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