2,5-Dimethylhexane
From Infogalactic: the planetary knowledge core
Skeletal formula of 2,5-dimethylhexane | |
Ball and stick model of 2,5-dimethylhexane | |
Names | |
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IUPAC name
2,5-Dimethylhexane[1]
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Identifiers | |
592-13-2 | |
1696877 | |
ChemSpider | 11104 |
EC Number | 209-745-8 |
Jmol 3D model | Interactive image |
PubChem | 11592 |
UN number | 3295 |
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Properties | |
C8H18 | |
Molar mass | 114.23 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) |
Henry's law
constant (kH) |
3.0 nmol Pa−1 kg−1 |
Refractive index (nD)
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1.392 |
Thermochemistry | |
249.20 J K−1 mol−1 | |
Std enthalpy of
formation (ΔfH |
−262.0–−259.0 kJ mol−1 |
Std enthalpy of
combustion (ΔcH |
−5.4615–−5.4587 MJ mol−1 |
Vapor pressure | {{{value}}} |
Related compounds | |
Related alkanes
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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verify (what is ?) | |
Infobox references | |
2,5-Dimethylhexane is a branched alkane used in the aviation industry in low revolutions per minute helicopters.[citation needed] 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.
References
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