Kojic Acid

CAS No. 501-30-4

EINECS 207-922-4

Empirical Formula C6H6O4

Chemical Name 5-hydroxy-2-(Hydroxymethyl)-4H-Pyran-4-one

Kojic acid conventionally named 5-hydroxy-2-hydroxymethyl-4H-pyran-4-one, is a white or cream-colored acicular crystal. It easily dissolves in water, alcohol and acetone, slightly dissolves in ether, ethyl acetate, chloroform and pyridine, does not dissolve in benzene.

MAIN USE AND APPLICATION:

(1) Daily chemicals material:

Because Kojic acid can inhibits caseinase activity,then inhibits skin melanin formation, kojic acid and it,s derivatives widely used in high-quality skin lightening cosmetics, bath preparation and mouth or teeth care products. Cosmetics containing kojic acid can treat freckle,acne, pigmentation and macula effectively without any toxic and side effects, Atpresent, kojic acid,s level added in comestics is from 0.2 to 1.0 percent.

(2) Medicine material:

Kojic acid and it,s derivatives are used as an important material in antibiotic -cephamycin, anodyne, and antiphlogistic production.

(3) Food additive:

Koj ic acid and it,s derivatives work as antiseptic,antioxidant, preservative and color stablizer in meat processing, also act as useful materials of food aromatizer - maltol and ethylmaltol.

(4) Preservative and color stablizer of cut-flower:

Kojic acid and it,s derivatives are added to cut-flower to keep flower colorful and fresh.

(5) Film despecking agent and iron ananysis reagent.

(6) Non-toxic to person and livestock, pollution-free pesticide in insecticide production.

SPECIFICATION Appearance: Pale yellow to almost white crystals

Melting point: 152 - 154℃

Loss on drying: Not more than 1.0%

Residue on ignition: Not more than 1.0%

Heavy metals (Pb): Not more than 20 ug/g

Arsenic (As): Not more than 2.0 ug/g

Assay: Not less than 99.0 %

PACKAGING In aluminum foil bag:1.0kg/bag; 2.0kg/bag; 5.0kg/bag; etc.