propanoic acid

== English == === Etymology === An IUPAC systematic name for the chemical originally named propionic acid. The prop- prefix is derived from propionic. === Noun === propanoic acid (uncountable) A colourless liquid with a sharp unpleasant odour; produced by the bacterial breakdown of fatty acids and therefore found in sweat and some cheese. (organic chemistry) The short chain aliphatic carboxylic acid, CH3CH2COOH, used as a preservative, and in the manufacture of many chemical compounds. ==== Synonyms ==== E280 when used as a preservative propionic acid ==== Derived terms ==== ==== Related terms ==== propionate ==== Translations ====