Arachidyl alcohol

Arachidyl alcohol, also 1-icosanol, is a waxy substance used as an emollient in cosmetics. It is a straight-chain fatty alcohol with 20 carbon atoms, typically obtained via the hydrogenation of arachidic acid or arachidonic acid, both of which are present in peanut oil. Its name is derived from that of the peanut plant (Latin: arachis).

Arachidyl alcohol
Skeletal formula of arachidyl alcohol
Spacefill model of arachidyl alcohol
Names
Preferred IUPAC name
Icosan-1-ol[1]
Other names
Arachidalcohol

Arachidic alcohol
Hydroxyicosane
Icosalcohol
Icosanol
1-Icosanol
n-Icosanol
Icosyl alcohol
Icosyl hydrate
Icosylic alcohol
Nonadecylcarbinol

1-Eicosanol
Identifiers
3D model (JSmol)
1705104
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.010.110
EC Number
  • 211-119-4
UNII
  • InChI=1S/C20H42O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21/h21H,2-20H2,1H3 checkY
    Key: BTFJIXJJCSYFAL-UHFFFAOYSA-N checkY
  • InChI=1/C20H42O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21/h21H,2-20H2,1H3
    Key: BTFJIXJJCSYFAL-UHFFFAOYAC
  • CCCCCCCCCCCCCCCCCCCCO
  • OCCCCCCCCCCCCCCCCCCCC
Properties
C20H42O
Molar mass 298.555 g·mol−1
Appearance White, translucent crystals
Melting point 64 °C (147 °F; 337 K)
Boiling point 372 °C (702 °F; 645 K)
1.51 × 10−6 g dm−3
log P 8.99
Vapor pressure <0.01 kPa (at 20 °C)
Hazards
Flash point 195 °C (383 °F; 468 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

References
  1. "1-Eicosanol". The PubChem Project. USA: National Center for Biotechnology Information.
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