Caprylic acid is the common name for the eight-carbon straight chain fatty acid known by the systematic name octanoic acid. It is found naturally in coconuts and breast milk. It is an oily liquid with a slightly unpleasant rancid-like smell that is minimally soluble in water. (en)
William Elliott Bay, Joseph Norman Bernadino, George Frederick Klein, Yi Ren, Pingsheng Zhang, "METHODS FOR PRODUCING N-(8-[2-HYDROXYBENZOYL]-AMINO) CAPRYLIC ACID." U.S. Patent US20080064890, issued March 13, 2008. (en)