Kojic acid (CAS 501-30-4) is a chelation agent produced by several species of fungi, especially Aspergillus oryzae, which has the Japanese common name koji. Kojic acid is a by-product in the fermentation process of malting rice, for use in the manufacturing of sake, the Japanese rice wine. It is a mild inhibitor of the formation of pigment in plant and animal tissues, and is used in food and cosmetics to preserve or change colors of substances. It forms a bright red complex with ferric ions.
Synonyms : 5-Hydroxy-2-hydroxymethyl-4-pyrone; 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one
Molecular Formula C6H6O4
Molecular Weight 142.11
CAS Number 501-30-4
EINECS/ELINCS 207-922-4
Melting Point 152-155°C
Solubility Soluble in water
Stability Stable under ordinary conditions
Item | Specification |
Appearance | White or off white crystal |
Purity(%) | 99.0 min |
Melt Point(℃) | 152-156 |
Loss on Drying(%) | 0.5 max |
Residueon Ignition(%) | 0.1 max |
Heavy Metals(ppm) | 3 max |
Kojic acid (CAS No. 501-30-4 ) is 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.
It is also used as an important material in antibiotic -cephamycin, anodyne, and antiphlogistic productio
Packing
Kojic acid (CAS No. 501-30-4 ) is packed in 25kgs net carton.