Tags: Chemical Compound, Chemical Substance.
Undecylenic acid is an organic unsaturated fatty acid derived from castor oil. It is the common name of 10-undecenoic acid (CH2CH(CH2)8COOH). It is used in the manufacture of pharmaceuticals cosmetics and perfumery including antidandruff shampoos antimicrobial powders and as a musk in perfumes and aromas. Undecylenic acid is produced by cracking of castor oil under pressure.