2,5-Dimethylhexane

2,5-Dimethylhexane is a branched alkane used in the aviation industry in low revolutions per minute helicopters. As an isomer of octane, the boiling point is very close to that of octane, but can in pure form be slightly lower. 2,5-Dimethylhexane is moderately toxic.

2,5-Dimethylhexane
Names
IUPAC name
2,5-Dimethylhexane[1]
Identifiers
3D model (JSmol)
1696877
ChemSpider
ECHA InfoCard 100.008.861
EC Number
  • 209-745-8
UNII
UN number 3295
Properties
C8H18
Molar mass 114.232 g·mol−1
Appearance Colourless liquid
Odor Odourless
Density 694 mg mL−1
Melting point −93 to −89 °C; −136 to −128 °F; 180 to 184 K
Boiling point 108.1 to 109.9 °C; 226.5 to 229.7 °F; 381.2 to 383.0 K
Vapor pressure 7.582 kPa (at 37.7 °C)
3.0 nmol Pa−1 kg−1
-98.15·10−6 cm3/mol
1.392
Thermochemistry
249.20 J K−1 mol−1
Std enthalpy of
formation fH298)
−262.0–−259.0 kJ mol−1
Std enthalpy of
combustion cH298)
−5.4615–−5.4587 MJ mol−1
Hazards
GHS pictograms
GHS Signal word Danger
GHS hazard statements
H225, H304, H315, H336, H410
P210, P261, P273, P301+310, P331
Flash point 26 °C (79 °F; 299 K)
Explosive limits 0.98–?%
Related compounds
Related alkanes
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

References

  1. "2,5-DIMETHYLHEXANE - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification and Related Records. Retrieved 12 March 2012.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.