Arachidic acid

Arachidic acid, also known as icosanoic acid, is a saturated fatty acid with a 20-carbon chain. It is a minor constituent of cupuaçu butter (7%),[2] perilla oil (0–1%),[3] peanut oil (1.1–1.7%),[4] corn oil (3%),[5] and cocoa butter (1%).[6] It also constitutes 7.08% of the fats from the fruit of the durian species Durio graveolens.[7] The salts and esters of arachidic acid are known as arachidates.

Arachidic acid
Arachinsäure.svg
Arachidic Acid.png
Names
Preferred IUPAC name
Icosanoic acid
Other names
Eicosanoic acid
n-Eicosanoic acid
Arachidic acid
Arachic acid
C20:0 (Lipid numbers)
Identifiers
CAS Number
  • 506-30-9 check
3D model (JSmol)
  • Interactive image
ChEBI
  • CHEBI:28822 check
ChEMBL
  • ChEMBL1173381 check
ChemSpider
  • 10035 check
ECHA InfoCard100.007.302 Edit this at Wikidata
KEGG
  • C06425 check
PubChem CID
  • 10467
UNII
  • PQB8MJD4RB check
CompTox Dashboard (EPA)
  • DTXSID1060134 Edit this at Wikidata
InChI
  • InChI=1S/C20H40O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h2-19H2,1H3,(H,21,22) check
    Key: VKOBVWXKNCXXDE-UHFFFAOYSA-N check
  • InChI=1/C20H40O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h2-19H2,1H3,(H,21,22)
    Key: VKOBVWXKNCXXDE-UHFFFAOYAB
SMILES
  • O=C(O)CCCCCCCCCCCCCCCCCCC
Properties[1]
Chemical formula
C20H40O2
Molar mass312.538 g·mol−1
AppearanceWhite crystalline solid
Density0.8240 g/cm3
Melting point75.4 °C (167.7 °F; 348.5 K)
Boiling point328 °C (622 °F; 601 K)
Solubility in water
Practically insoluble in water
Hazards
Flash point110 °C (230 °F; 383 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

Its name derives from the Latin arachis—peanut. It can be formed by the hydrogenation of arachidonic acid.

Reduction of arachidic acid yields arachidyl alcohol.

Arachidic acid is used for the production of detergents, photographic materials and lubricants.


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 Metasyntactic variable, which is released under the 
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