Arachidic acid (IUPAC name Eicosanoic acid is a saturated fatty
acid found in peanut oil with the molecular formula CH3 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.