Category
Chemical Primary Standard
CAS Number
99-96-7
Molecular Formula
C7H6O3
Molecular Weight
138.1 g/mol
Synonym

 4-Carboxyphenol; Paraben-acid; p-Carboxyphenol; p-Hydroxybenzoic Acid;

Keywords
Miscellaneous compounds
Slide_1

4-Hydroxybenzoic acid is widely used as a key intermediate in the production of parabens, which serve as preservatives in cosmetics, pharmaceuticals, and food products. It is also employed in the manufacture of liquid crystal polymers, dyes, and specialty chemicals due to its reactive hydroxyl and carboxylic functional groups.