Kojic Acid

Cas No：501-30-4, Formal name：5-hydroxy-2-hydroxymethyl-1, 4-pyrone, Molecular weight：142.1. Dissolving water, alcohol, acetone, and slightly dissolving ether second ester of second acid, chloroform and pyridine, non-dissolving benzene. Toxicity：ld502500-3500mg/kg.

Quality Standards
Appearance：Almost White Crystal or Powder
Purity：99.0% min
Melting Point：152-155 deg. C
Loss on Drying：0.5% max
Residue on Ignition：0.1% max
Chloride：0.005% max
Heavy Metals：0.001% max
Arsenic：0.0001% max
Iron：0.001% max
Microbiological Test：
Bacteria：3000CFU/g max
Fungi：50 CFU/g max
Colon bacillus：Negative

Packing：
1kgy10bags(aluminum foil bag sealed)/carton
25kgs(aluminum foil bag sealed)/drum