What is 4-Hydroxybenzoic acid CAS 99-96-7？ 4-Hydroxybenzoic acid is a colorless monoclinic crystal. Melting point 214-215 ℃ (anhydrous), relative density 1.494. Slightly soluble in water and chloroform, soluble in ether, acetone, and benzene, soluble in ethanol in any proportion, almost insoluble in carbon disulfide. Dissolve in 125 parts of cold water. Specification Item Specification Boiling point 213.5°C (rough estimate) Density 1,46 g/cm3 Melting point 213-217 °C (lit.) Vapor pressure 0Pa at 20℃ resistivity 1.4600 (estimate) Storage conditions Store below 30°C. Application 4-Hydroxybenzoic acid is a widely used organic synthetic raw material, especially its esters, including methyl (nipagin), ethyl (nipagin), propyl, butyl, isopropyl, isobutyl, etc. It can be used as a food additive in soy sauce, vinegar, refreshing beverages (excluding soda), fruit seasonings, fruits and vegetables, pickled products, etc Packaging Usually packed in 25kg/drum,and also can be do customized package. Synonyms P-HYDROXYBENZOIC ACID; PARA HYDROXY BENZOIC ACID; RARECHEM AL BO 0112; FEMA 3986; HYDROXYBENZOIC ACID, 4-AKOS BBS-00003776; ACETYLSALISYLIC ACID IMP A; ACETYLSALICYLIC ACID IMPURITY A
