Definition: 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)
D25-26 qualif
Other names para-Hydroxybenzoic Acids; 4-Hydroxybenzoic Acids; para Hydroxybenzoic Acids; 4 Hydroxybenzoic Acids
methylparaben [ Nipagin,4-hydroxybenzoic acid methyl ester,methyl p-hydroxybenzoate,methyl-4-hydroxybenzoate,methylparaben, sodium salt ] used as a preservative in cosmetics but potentiates UV-induced damage of skin; RN given refers to parent cpd