Sodium hexanoate is the sodium salt of caproic acid that has the chemical formula C6H11COONa. It is categorised as a fatty acid salt and is a member of the carboxylate chemical family. This substance is used as a flavouring and food additive. It is permitted for use in a variety of food products by regulatory bodies such the U.S. Food and Drug Administration (FDA). Sodium hexanoate adds a sour or salty flavour to improve the flavour of particular meals and beverages. It is used in several industries in addition to the food industry.