2-Methylpentane

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2-Methylpentane
Skeletal formula of 2-methylpentane Skeletal formula of 2-methylpentane with all explicit hydrogens added
Identifiers
CAS number 107-83-5 YesY
PubChem 7892
ChemSpider 7604 YesY
EC number 203-523-4
UN number 1208
MeSH 2-methylpentane
ChEMBL CHEMBL30909 YesY
Beilstein Reference 1730735
Jmol-3D images Image 1
Properties
Molecular formula C6H14
Molar mass 86.18 g mol−1
Appearance Colorless liquid
Odor Odorless
Density 653 mg mL−1
Melting point −160 to −146 °C; −256 to −231 °F; 113 to 127 K
Boiling point 60 to 62 °C; 140 to 143 °F; 333 to 335 K
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
Thermochemistry
Specific
heat capacity
C
194.19 J K−1 mol−1
Std molar
entropy
So298
290.58 J K−1 mol−1
Std enthalpy of
formation
ΔfHo298
−205.3–−203.3 kJ mol−1
Hazards
GHS pictograms The flame pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) The exclamation-mark pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) The health hazard pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) The environment pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS)
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 Highly Flammable F Harmful Xn Dangerous for the Environment (Nature) N
R-phrases R11, R38, R51/53, R65, R67
S-phrases (S2), S16, S29, S33
NFPA 704
Flammability code 3: Liquids and solids that can be ignited under almost all ambient temperature conditions. Flash point between 23 and 38 °C (73 and 100 °F). E.g., gasoline) Health code 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g., chloroform Reactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogen Special hazards (white): no codeNFPA 704 four-colored diamond
Flash point −7 °C (19 °F; 266 K)
Autoignition temperature 306 °C (583 °F; 579 K)
Explosive limits 1.2–7%
Related compounds
Related alkanes
Related compounds
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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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.

See also[edit]

References[edit]

  1. ^ "2-methylpentane - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification and Related Records. Retrieved 5 March 2012. 
  2. ^ Haynes, William M. (2010). Handbook of Chemistry and Physics (91 ed.). Boca Raton, Florida: CRC Press. p. 3-364. ISBN 978-1439820773.