9undecenoic
9undecenoic acid, also known as undecylenic acid, is an unsaturated fatty acid with the chemical formula CH2=CH(CH2)8COOH. It is a straight-chain monounsaturated carboxylic acid with a terminal double bond at the ninth carbon atom from the carboxyl group. Naturally occurring in the essential oil of the castor bean plant (Ricinus communis), it is primarily derived from the pyrolysis of ricinoleic acid, the main component of castor oil.
This compound is a colorless to pale yellow oily liquid with a characteristic odor. It is sparingly