4-Hydroxybenzoic Acid, CAS Number: 99-96-7
4-Hydroxybenzoic Acid, commonly known as p-Hydroxybenzoic Acid or 4-Carboxyphenol, is an aromatic organic compound with the molecular formula C₇H₆O₃ and molecular weight of 138.12 g/mol.
Product Chemical Properties
Chemical Name: 4-Hydroxybenzoic Acid
CAS Number: 99-96-7
Synonyms: p-Hydroxybenzoic Acid, 4-Carboxyphenol, p-Salicylic Acid, Paraben Acid
Molecular Formula: C₇H₆O₃
Molecular Weight: 138.12 g/mol
EC Number: 202-804-9
MDL Number: MFCD00002547
Melting Point: 213–219℃

Product Technical Specification
Appearance: Colorless monoclinic crystals, or white crystalline granules or powder
Purity by Titration: ≥99.50%
Salicylic Acid by HPLC: ≤0.02%
Carbolic Acid by HPLC: ≤0.01%
Loss on Drying: ≤0.20%
Ash: ≤0.02%
Sulfate: ≤100 mg/kg
Chloride: ≤5 mg/kg
Potassium: ≤5 mg/kg
Sodium: ≤5 mg/kg
Iron: ≤5 mg/kg
Chromaticity: <20 APHA

Applications of 4-Hydroxybenzoic Acid
Used for synthesis of paraben preservatives, also as intermediate for pharmaceuticals, fragrances and dyes.
Packaging
25kg/fiber drum.
Production Capacity
3000MT/year.
Storage Requirements
Store in a tightly closed container in a cool, dry, well-ventilated area. Protect from moisture and contamination.
4-Hydroxybenzoic Acid Bulk Supply from China
Hosea Chem® welcomes inquiries for 4-Hydroxybenzoic Acid (CAS 99-96-7) for paraben manufacturing, organic synthesis, and specialty chemical applications. Contact us to confirm current availability, purity, packaging options, bulk pricing, and delivery arrangements from China.