Hexanoic acid ( caproic acid ) is the carboxylic acid derived from hexane with the chemical formula CH
4 COOH. It is a colorless oily liquid with an odor that is fatty, cheesy, waxy, and like that of goats  or other barnyard animals . It is a fatty acid found naturally in various animal fats and oils , and is one of the chemicals that give the decomposing fleshy seed coat of the ginkgo its characteristic unpleasant odor .  It is also one of the components of vanilla . The primary use of hexanoic acid is in the manufacture of its esters for artificial flavors, and in the manufacture of hexyl derivatives , such as hexylphenols . 
Caprylic acid is an antimicrobial pesticide used as a food contact surface sanitizer in commercial food handling establishments on dairy equipment, food processing equipment, breweries, wineries, and beverage processing plants. It is also used as disinfectant in health care facilities, schools/colleges, animal care/veterinary facilities, industrial facilities, office buildings, recreational facilities, retail and wholesale establishments, livestock premises, restaurants, and hotels/motels. In addition, caprylic acid is used as an algaecide, bactericide, and fungicide in nurseries, greenhouses, garden centers, and interiorscapes on ornamentals. Products containing caprylic acid are formulated as soluble concentrate/liquids and ready-to-use liquids.