4-Hydroxybenzoic acid cas 99-96-7

P-hydroxybenzoic acid is a widely used organic synthetic raw materials, especially its esters, including methyl p-hydroxybenzoic acid (paraben), ethyl ester (paraben B), propyl ester, butyl ester, isopropyl ester, isobutyl ester, can be used as food additives, Used in soy sauce, Chemicalbook, vinegar, cool drinks (except soft drinks), fruit flavoring, fruits and vegetables, pickled products, etc., but also widely used in food, cosmetics, medicine, antiseptic, mildew and fungicide, etc. Hydroxybenzoic acid is also used as an intermediate in dyes and pesticides.