CAS number 107-83-5 YesY
PubChem 7892 YesY
ChemSpider 7604 YesY
EC number 203-523-4
UN number 1208
MeSH 2-methylpentane
Beilstein Reference 1730735
Jmol-3D images Image 1
Molecular formula C6H14
Molar mass 86.18 g mol−1
Appearance Colorless liquid
Odor Odorless
Density 653 mg mL−1
Melting point

-160--146 °C, 113-127 K, -256--231 °F

Boiling point

60-62 °C, 333-335 K, 140-143 °F

log P 3.608
Vapor pressure 46.7 kPa (at 37.7 °C)
kH 5.7 nmol Pa−1 kg−1
Refractive index (nD) 1.371
Std enthalpy of
−205.3–−203.3 kJ mol−1
Standard molar
290.58 J K−1 mol−1
Specific heat capacity, C 194.19 J K−1 mol−1
GHS pictograms
GHS signal word DANGER
GHS hazard statements H225, H304, H315, H336, H411
GHS precautionary statements P210, P261, P273, P301+310, P331
EU Index 601-007-00-7
EU classification N
R-phrases R11, R38, R51/53, R65, R67
S-phrases (S2), S16, S29, S33
NFPA 704
Flash point −7 °C
306 °C
Explosive limits 1.2–7%
Related compounds
Related alkanes
Related compounds
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

2-Methylpentane is a branched-chain alkane with the molecular formula C6H14. It is a structural isomer of hexane composed of a methyl group bonded to the second carbon atom in a pentane chain.


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