2-Methylheptane
2-Methylheptane is a branched alkane isomeric to octane. Its structural formula is (CH3)2CH(CH2)4CH3.
Names | |
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Preferred IUPAC name
2-Methylheptane[1] | |
Identifiers | |
3D model (JSmol) |
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1696862 | |
ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.008.863 |
EC Number |
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PubChem CID |
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UNII | |
UN number | 1262 |
CompTox Dashboard (EPA) |
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Properties | |
C8H18 | |
Molar mass | 114.232 g·mol−1 |
Appearance | Colourless liquid |
Odor | Odourless |
Density | 698 mg mL−1 |
Melting point | −112 to −108 °C; −170 to −163 °F; 161 to 165 K |
Boiling point | 116.8 to 118.4 °C; 242.2 to 245.0 °F; 389.9 to 391.5 K |
Vapor pressure | 5.3 kPa (at 37.7 °C) |
Henry's law constant (kH) |
2.7 nmol Pa−1 kg−1 |
Refractive index (nD) |
1.395–1.396 |
Thermochemistry | |
Heat capacity (C) |
252.00 J K−1 mol−1 |
Std molar entropy (S⦵298) |
356.39 J K−1 mol−1 |
Std enthalpy of formation (ΔfH⦵298) |
−256.5–−253.9 kJ mol−1 |
Std enthalpy of combustion (ΔcH⦵298) |
−5466.7–−5464.3 kJ mol−1 |
Hazards | |
GHS labelling: | |
Danger | |
H225, H304, H315, H336, H410 | |
P210, P261, P273, P301+P310, P331 | |
NFPA 704 (fire diamond) | |
Flash point | 4.4 °C (39.9 °F; 277.5 K) |
Explosive limits | 0.98–?% |
Related compounds | |
Related alkanes |
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Related compounds |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references |
References
- "2-METHYLHEPTANE - Compound Summary". PubChem Compound. National Center for Biotechnology Information. 26 March 2005. Retrieved 6 March 2012.
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