Cas no.: 501-30-4; Chemical name: kojic acid; Formal name: 5-hydroxy-2-hydroxymethyl-1, 4-pyrone; Molecular formula: c6h6o4; Molecular weight: 142.1; Toxicity: ld50 = 2500-3500mg/kg. Dissolving water, alcohol, acetone, slightly dissolving ether second ester of second acid, chloroform and pyridine, non-dissolving benzene; Appearance property almost white crystal or crystalline powder Purity(%) 99.0 min Melting point(deg c) 152-155 Loss on drying(%) 0.5 max Ignition residue(%) 0.1 max Chloride(%) 0.005 max Heavy metals(%) 0.001 max Arsenic(%) 0.0001 max Iron(%) 0.001 max In tinfoil bag: 1.0kg/bag, 5.0kg/bag, 25.0kg/drum, etc
