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| Names | |
|---|---|
| Preferred IUPAC name
Hentriacontane[1] | |
| Identifiers | |
3D model (JSmol)
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| 1709817 | |
| ChEBI | |
| ChEMBL | |
| ChemSpider | |
| KEGG | |
| MeSH | hentriacontane |
PubChem CID
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| UNII | |
CompTox Dashboard (EPA)
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| Properties | |
| C31H64 | |
| Molar mass | 436.853 g·mol−1 |
| Appearance | White, opaque, waxy crystals |
| Density | 0.781 g cm−3 at 68 °C[2] |
| Melting point | 67.5 to 69.3 °C; 153.4 to 156.7 °F; 340.6 to 342.4 K |
| Boiling point | 458 °C (856 °F; 731 K) |
| log P | 16.501 |
| Thermochemistry | |
Heat capacity (C)
|
912 J K−1 mol−1 (at 50 °C) |
| Hazards | |
| GHS labelling:[3] | |
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| Warning | |
| H315, H319 | |
| Related compounds | |
Related alkanes
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Nonacosane |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Hentriacontane, also called untriacontane, is a solid, long-chain alkane hydrocarbon with the structural formula CH3(CH2)29CH3. It is the main component of Paraffin wax.
It is found in a variety of plants, including peas (Pisum sativum), Acacia senegal, Gymnema sylvestre and others, and also comprises about 8–9% of beeswax. It has 10,660,307,791 constitutional isomers.[4]