Arachidic acid
IUPAC name	icosanoic acid
Other names	eicosanoic acid n-eicosanoic acid arachidic acid arachic acid
Identifiers
CAS number	506-30-9 Y
PubChem	10467
SMILES	O=C(O)CCCCCCCCCCCCCCCCCCC
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)
InChI key	VKOBVWXKNCXXDE-UHFFFAOYAB
ChemSpider ID	10035
Properties
Molecular formula	C20H40O2
Molar mass	312.5304
Appearance	white crystaline solid
Density	0.8240 g/cm3
Melting point	75.5 °C
Boiling point	328 °C
Y (what is this?)  (verify) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Arachidic acid, also called eicosanoic acid, is a saturated fatty acid found in peanut oil. Its name derives from the Latin arachis — peanut. It can be formed by the hydrogenation of arachidonic acid. It is practically insoluble in water, and stable under normal conditions. It is a surfactant.

Reduction of arachidic acid yields arachidyl alcohol.

[edit] References

• Merck Index, 11th Edition, 791.

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