Kojic Acid,China price supplier

CTFA name: 5-hydroxy-2-hydroxymethyl-1, 4-pyrone

INCI Name: Kojic Acid

EINECS No.: 207-922-4

CAS no: 501-30-4

HS code: 2932 9990.99

Molecular l Formula: C ₆ H ₆ O ₄

Molecular weight: 142.1

Toxicity: LD502500-3500mg/kg

Dissolving water, alcohol, acetone and slightly dissolving ether second ester of second acid, chloroform and pyridine, non-dissolving benzene.

Specification

Appearance: White Crystal or Powder

Assay: 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

Iron: 0.001% max

Arsenic: 0.0001% max

Microbiological Test:

Bacteria: 3000CFU/g max

Fungi: 50CFU/g max

Colon bacillus: Negative

Packing in carton, inner sealed with 1kg, 1kg*5, 1kg*10 aluminized plastic bag.

Packing in cardboard drum, inner sealed with 25kg aluminized plastic bag.

Storage out of sunlight, sealed for two years.

Application

(1) Daily chemicals material: Because Kojic Acid can inhibits caseinase synthesis, then inhibits skin melanin formation, Kojic Acid and it's derivatives are widely used in high-quality brightening cosmetic, bath cream, and toothpaste. The products containing kojic acid can treat freckle, acne, pigmentation and macula effectively without any toxic and bad results. At present, the use level of Kojic Acid added in cosmetic amounts to 0.5%-2%.

(2) Medicine material: Kojic Acid and its derivatives are used as an important material in antibiotic - cethamycin, anodyne, and antichloristic production.

(3) preservative and color stabilizer of cut-flower: Kojic Acid and its derivatives are added to cub-flower to keep the flower colorful and fresh.