Arachidic acid ( IUPAC name Eicosanoic acid)
is a saturated fatty acid found in peanut oil with the molecular formula CH 3(CH 2) 18COOH.
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.
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