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Key Documents

T78409

Sigma-Aldrich

2,4,4-Trimethyl-1-pentene

99%

Synonym(s):

α-Diisobutylene, Diisobutylene

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About This Item

Linear Formula:
(CH3)3CCH2C(CH3)=CH2
CAS Number:
Molecular Weight:
112.21
Beilstein:
1098309
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

vapor density

>3.8 (vs air)

Quality Level

vapor pressure

83 mmHg ( 37.7 °C)

Assay

99%

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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Pictograms

FlameEnvironment

Signal Word

Danger

Hazard Statements

Hazard Classifications

Aquatic Chronic 2 - Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

25.0 °F - closed cup

Flash Point(C)

-3.9 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Diisobutylene.
American Industrial Hygiene Association journal, 43(1), B83-B84 (1982-01-01)
Samuel Barak et al.
Proceedings of the National Academy of Sciences of the United States of America, 117(7), 3451-3460 (2020-02-06)
Soot emissions in combustion are unwanted consequences of burning hydrocarbon fuels. The presence of soot during and following combustion processes is an indication of incomplete combustion and has several negative consequences including the emission of harmful particulates and increased operational

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