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Title: 2,3,3-trimethylpentane  
Author: World Heritage Encyclopedia
Language: English
Subject: Octane rating, Alkyl
Publisher: World Heritage Encyclopedia



CAS number 560-21-4 YesY
PubChem 11215 YesY
ChemSpider 10742 YesY
EC number 209-207-2
UN number 1262
RTECS number SA3321000
Jmol-3D images Image 1
Molecular formula C8H18
Molar mass 114.23 g mol−1
Appearance Colourless liquid
Odor Odourless
Melting point

-102--100 °C, 171-173 K, -152--148 °F

Boiling point

114-115 °C, 387.5-388.1 K, 238-239 °F

kH 2.4 nmol Pa−1 kg−1
Std enthalpy of
−255.1–−252.3 kJ mol−1
Std enthalpy of
−5.4683–−5.4657 MJ mol−1
Specific heat capacity, C 245.56 J K−1 mol−1
GHS pictograms
GHS signal word DANGER
GHS hazard statements H225, H304, H315, H336, H410
GHS precautionary statements P210, P261, P273, P301+310, P331
EU Index 601-009-00-8
EU classification N
R-phrases R11, R38, R65, R67, R50/53
S-phrases (S2), S16, S29, S33
Flash point −6 °C
425 °C
Related compounds
Related alkanes
 YesY (verify) (what is: YesY/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

2,3,3-Trimethylpentane is a chemical compound in the family of hydrocarbons which has a formula of C8H18. It is an isomer of octane.


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