Also Called: Benzoic acid, 4-hydroxy-, butyl ester; n-butyl-4-hydroxybenzoate; butyl paraben; N-butyl-p-hydroxybenzoate; butyl 4-hydroxybenzoate;Butylparaben [includes n-butylparaben and isobutylparaben];Butylparaben;Butyl-4-hydroxybenzoat;n-Butyl p-Hydroxybenzoate;4-Hydroxybenzoic acid butyl ester;对羟基苯甲酸丁酯;4-ヒドロキシ安息香酸ブチル