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.
Quick facts Names, Identifiers ...
Hentriacontane
 Skeletal formula of hentriacontane |
| Names |
| Preferred IUPAC name
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| Identifiers |
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1709817 |
| ChEBI |
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| ChEMBL |
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| ChemSpider |
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| KEGG |
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| MeSH |
hentriacontane |
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| UNII |
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InChI=1S/C31H64/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h3-31H2,1-2H3 N Key: IUJAMGNYPWYUPM-UHFFFAOYSA-N N
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CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
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| Properties |
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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 |
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912 J K−1 mol−1 (at 50 °C) |
| Hazards |
| GHS labelling:[3] |
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Warning |
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H315, H319 |
| Related compounds |
Related alkanes |
Nonacosane |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
Close
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]
