Hentriacontane

Hentriacontane
Skeletal formula of hentriacontane
Names
Preferred IUPAC name
Hentriacontane[1]
Identifiers
3D model (JSmol)
1709817
ChEBI
ChEMBL
ChemSpider
KEGG
MeSH hentriacontane
UNII
  • 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
  • CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
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
912 J K−1 mol−1 (at 50 °C)
Hazards
GHS labelling:[3]
GHS07: Exclamation mark
Warning
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).
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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]

  1. ^ "hentriacontane - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 27 March 2005. Identification and Related Records. Retrieved 2 January 2012.
  2. ^ Weast, Robert C., ed. (1982). CRC Handbook of Chemistry and Physics (63rd ed.). Boca Raton, Fl: CRC Press. p. C-561.
  3. ^ "Hazardous Substances Data Bank (HSDB) : 8361". pubchem.ncbi.nlm.nih.gov.
  4. ^ "A000602 - Oeis".