Parabens

Synonyms

4 Hydroxybenzoic Acids

4-Hydroxybenzoic Acids

para Hydroxybenzoic Acids

para-Hydroxybenzoic Acids

Methyl, propyl, butyl, and ethyl esters of p-hydroxybenzoic acid. They have been approved by the FDA as antimicrobial agents for foods and pharmaceuticals. (From Hawley's Condensed Chemical Dictionary, 11th ed, p872)