2,5-Dimethylhexane
From Wikipedia, the free encyclopedia
2,5-Dimethylhexane | |
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2,5-Dimethylhexane[1] | |
Identifiers | |
CAS number | 592-13-2 |
PubChem | 11592 |
ChemSpider | 11104 |
EC number | 209-745-8 |
UN number | 3295 |
Beilstein Reference | 1696877 |
Jmol-3D images | Image 1 |
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Properties | |
Molecular formula | 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) |
kH | 3.0 nmol Pa−1 kg−1 |
Refractive index (nD) | 1.392 |
Thermochemistry | |
Std enthalpy of formation ΔfH |
−262.0–−259.0 kJ mol−1 |
Std enthalpy of combustion ΔcH |
−5.4615–−5.4587 MJ mol−1 |
Specific heat capacity, C | 249.20 J K−1 mol−1 |
Hazards | |
GHS pictograms | |
GHS signal word | DANGER |
GHS hazard statements | H225, H304, H315, H336, H410 |
GHS precautionary statements | P210, P261, P273, P301+310, P331 |
EU Index | 601-009-00-8 |
EU classification | F Xn N |
R-phrases | R10, R38, R65, R67, R50/53 |
S-phrases | (S2), S16, S29, S33 |
Flash point | 26 °C; 79 °F; 299 K |
Explosive limits | 0.98–?% |
Related compounds | |
Related alkanes | |
(verify) (what is: / ?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa) | |
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
- ↑ "2,5-DIMETHYLHEXANE - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification and Related Records. Retrieved 12 March 2012.
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