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Merck
CN

143820

2,4,4-Trimethyl-2-pentene

99%

Synonym(s):

β-Diisobutylene

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About This Item

Linear Formula:
(CH3)3CCH=C(CH3)2
CAS Number:
107-40-4
Molecular Weight:
112.21
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24848613
EC Number:
203-488-5
Beilstein/REAXYS Number:
1719492
MDL number:
MFCD00008902
Assay:
99%
Form:
liquid

Key Documents

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Product Name

2,4,4-Trimethyl-2-pentene, 99%

InChI key

LAAVYEUJEMRIGF-UHFFFAOYSA-N

InChI

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

SMILES string

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

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.)

Quality Level

100

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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
GHS02,GHS09

signalword

Danger

hcodes

H225,H411

Hazard Classifications

Aquatic Chronic 2 - Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

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

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX5958
MKCW0303
MKCS2625
MKCQ1448
MKCL9687

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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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