443018

Sigma-Aldrich

2,4,4-Trimethyl-1-pentene

96%

Synonym(s):
α-Diisobutylene, Diisobutylene
Linear Formula:
(CH3)3CCH2C(CH3)=CH2
CAS Number:
Molecular Weight:
112.21
Beilstein/REAXYS Number:
1098309
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

vapor density

>3.8 (vs air)

vapor pressure

83 mmHg ( 37.7 °C)

assay

96%

autoignition temp.

736 °F

expl. lim.

4.8 %

refractive index

n20/D 1.408 (lit.)

bp

101-102 °C (lit.)

density

0.708 g/mL at 25 °C (lit.)

SMILES string

CC(=C)CC(C)(C)C

InChI

1S/C8H16/c1-7(2)6-8(3,4)5/h1,6H2,2-5H3

InChI key

FXNDIJDIPNCZQJ-UHFFFAOYSA-N

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General description

2,4,4-Trimethyl-1-pentene is a α-alkene. It is the main dimeric product of isobutene. Ozonolysis of 2,4,4-trimethyl-1-pentene has been investigated in a flow reactor under pseudo-first-order conditions. Hydrocracking (HCG) of 2,4,4-trimethyl-1-pentene has been employed as a model test reaction to investigate the catalytic functionalities of sulfided CoMo catalysts. Liquid phase oxidation of 2,4,4-trimethyl-1-pentene with molecular xygen afforded epoxides and hydrogen peroxides.

Packaging

25, 100 mL in glass bottle

Pictograms

FlameEnvironment

Signal Word

Danger

Hazard Statements

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

UN 2050 3 / PGII

WGK Germany

WGK 2

Flash Point(F)

25.0 °F - closed cup

Flash Point(C)

-3.9 °C - closed cup

Certificate of Analysis

Certificate of Origin

Catalytic functionalities of supported sulfides: I. Effect of support and additives on the CoMo catalyst.
Muralidhar G, et al.
J. Catal., 85(1), 44-52 (1984)
Reaction equilibrium in the isomerization of 2, 4, 4-trimethyl pentenes.
Karinen RS, et al.
Industrial & Engineering Chemistry Research, 40(4), 1011-1015 (2001)
The origin of epoxides in the liquid phase oxidation of olefins with molecular oxygen.
Brill WF.
Journal of the American Chemical Society, 85(2), 141-145 (1963)
Diisobutylene.
American Industrial Hygiene Association journal, 43(1), B83-B84 (1982-01-01)
Marius Duncianu et al.
The journal of physical chemistry. A, 116(24), 6169-6179 (2012-01-25)
A new flow reactor has been developed to study ozonolysis reactions at ambient pressure and room temperature (297 ± 2 K). The reaction kinetics of O(3) with 4-methyl-1-pentene (4M1P), 2-methyl-2-pentene (2M2P), 2,4,4-trimethyl-1-pentene (tM1P), 2,4,4-trimethyl-2-pentene (tM2P) and α-pinene have been investigated...

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