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8.14734

Sigma-Aldrich

2,4,4-Trimethylpentene

(mixture of isomers) for synthesis

Synonym(s):

2,4,4-Trimethylpentene, Diisobutylene

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About This Item

Empirical Formula (Hill Notation):
C8H16
CAS Number:
91052-99-2
Molecular Weight:
112.21
UNSPSC Code:
12352002
EC Index Number:
293-261-7
NACRES:
NA.22

vapor pressure

10 hPa ( 20 °C)

Quality Level

200

Assay

≥90.0% (GC)

form

liquid

autoignition temp.

380 °C (DIN 51794)

potency

>2000 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rat)

kinematic viscosity

0.55 cSt

bp

>98 °C/1013 hPa

mp

-106 °C

transition temp

flash point -12 °C

solubility

<0.1 g/L

density

0.72 g/cm3 at 20 °C

storage temp.

2-30°C

Analysis Note

Assay (GC, area%): ≥ 90.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.716 - 0.720
Identity (IR): passes test

Signal Word

Danger

Hazard Statements

H225 - H304 - H336 - H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Flam. Liq. 2 - STOT SE 3

Target Organs

Central nervous system

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

10.4 °F - closed cup

Flash Point(C)

-12 °C - closed cup

Certificates of Analysis (COA)

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