CAS No：15307-86-5 Chemical Name：2,5-Dihydroxybenzoic acid Alias：Gentisic acid；5-Hydroxysalicylic acid Molecular Formula：C?H?O?

Molecular Weight：154.12

Purity (HPLC)：≥99.0%

Loss on Drying：≤0.3% Residue on Ignition：≤0.1% Water Content：≤0.2% Single Impurity：≤0.5% Total Impurities：≤1.0% Heavy Metals：≤10 ppm Melting Range：202–206 ℃ IR Identification：Consistent with reference standard

Important pharmaceutical intermediate for antipyretic, anti-inflammatory and anti-rheumatic drugs.

Antioxidant raw material for medicine, daily chemicals and food additives. Organic synthetic building block for esterification, amidation and heterocyclic compounds. Biochemical reagent for enzyme inhibition, biochemical detection and buffer preparation. Cosmetic ingredient with whitening, soothing, antioxidant and antibacterial effects. Chemical chelating agent for heavy metal complexation, water treatment and color developing reagent.

Storage：Sealed, cool, dry and dark environment

General storage：Room temperature sealed preservation Long-term storage：Store at 2～8 ℃ Hazard：Low toxicity, slight skin and eye irritation Protection：Wear dust mask, goggles and chemical gloves Precautions：Avoid dust inhalation and long-term skin contact Incompatible：Keep away from strong oxidants, strong bases and heavy metals