Kojic Acid -- Chengdu Wonho Co., Ltd

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