The condensed structural formula of caprylic acid is:
CH₃ - (CH₂)₄ - CH₂ - CH₂ - COOH
Caprylic acid is also known as octanoic acid.
It is a colorless oily liquid that is minimally soluble in water with a slightly unpleasant rancid-like smell and taste. Caprylic acid is used commercially in the production of esters used in perfumery and also in the manufacture of dyes.