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Merck

T78409

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:
107-39-1
Molecular Weight:
112.21
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24900479
EC Number:
203-486-4
Beilstein/REAXYS Number:
1098309
MDL number:
MFCD00008855
Assay:
99%

Key Documents

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InChI key

FXNDIJDIPNCZQJ-UHFFFAOYSA-N

InChI

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

SMILES string

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

vapor density

>3.8 (vs air)

vapor pressure

83 mmHg ( 37.7 °C)

assay

99%

autoignition temp.

736 °F

expl. lim.

4.8 %

Quality Level

100

bp

101-102 °C (lit.)

density

0.708 g/mL at 25 °C (lit.)

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Related Categories

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

25.0 °F - closed cup

flash_point_c

-3.9 °C - closed cup

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
MKDB1841
MKCZ9682
MKCX5481
MKCW6310
MKCQ9109

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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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