P Hydroxy Benzoic Acid SKU RXSOL-98-9816-025 Supply Location:: MUSCAT CHEMICAL TAG:: Category Drilling Fluids & Mud Oil Field chemicals-81 Variations P Hydroxy Benzoic Acid Description Technical Specifications Application Industrial Usages Dosage Usages Related Information 4 Hydroxybenzoic acid is a monohydroxybenzoic acid a phenolic derivative of benzoic acid.