3-Methylpentane

3-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 third carbon atom in a pentane chain. It is of similar structure to the isomeric 2-methylpentane, which has the methyl group located on the second carbon of the pentane chain.

3-Methylpentane
Ball and stick model of 3-methylpentane
Spacefill model of 3-methylpentane
Names
IUPAC name
3-Methylpentane[1]
Identifiers
3D model (JSmol)
1730734
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.002.257
EC Number
  • 202-481-4
MeSH 3-methylpentane
RTECS number
  • SA2995500
UNII
UN number 1208
Properties
C6H14
Molar mass 86.178 g·mol−1
Appearance Colorless liquid
Odor Odorless
Density 664 mg mL−1
Melting point −162.8 °C; −261.1 °F; 110.3 K
Boiling point 62.9 to 63.7 °C; 145.1 to 146.6 °F; 336.0 to 336.8 K
Insoluble
log P 3.608
Vapor pressure 18.0 kPa (at 17 °C)
8.8 mol Pa−1 kg−1
-75.52·10−6 cm3/mol
1.376
Thermochemistry
191.16 J K−1 mol−1
292.5 J K−1 mol−1
−203.0–−201.0 kJ mol−1
−4.1608–−4.1590 MJ mol−1
Hazards
GHS pictograms
GHS Signal word Danger
H225, H304, H315, H336, H411
P210, P261, P273, P301+310, P331
Flash point −7 °C (19 °F; 266 K)
278 °C (532 °F; 551 K)
Explosive limits 1.2–7.7%
NIOSH (US health exposure limits):
PEL (Permissible)
none[2]
Related compounds
Related alkanes
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

References

  1. "3-methylpentane - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification and Related Records. Retrieved 5 March 2012.
  2. NIOSH Pocket Guide to Chemical Hazards. "#0323". National Institute for Occupational Safety and Health (NIOSH).


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