Kojic Acid
INCI Name: Kojic Acid
Synonyms: 5-hydroxy-2-(hydroxymethyl)-4H-pyran-4-one
CAS No.: 501-30-4
EINECS No.: 207-922-4
Molecular Formula: C6H6O4
Molecular Weight: 142.11
Structural Formula:
Solubility:Freely soluble in water, alcohol and acetone; slightly soluble in ether, ethyl acetate, chloroform and pyridine; insoluble in benzene.
Property Specification
Appearance: White or cream colored acicular crystal
Clarity of solution: Colorless and transparent
Pathogens: None(Undetected)
Melting Point: 152-155℃
Assay: Min. 99.0%
Loss on Drying: Max. 0.5%
Residue on Ignition: Max. 0.1%
Iron: Max. 10ppm
Heavy Metals(as Pb): Max. 3ppm
Arsenic: Max. 1ppm
Chloride: Max. 50ppm
Usage: Kojic Acid can be used in several areas, such as cosmetics, food additives, pharmaceuticals etc. Because Kojic Acid and it’s derivatives can safely suppress the growth of human skin melanian, it is becoming more widely used in skin whitening cosmetics, bath lotions, toothpaste etc. Koji c Acid is also antibacterial, prevents oxidization and preserves color, therefore loading to use in food preservatives, oil antioxidants, preventing fruit and vegetables from becoming stale, and preserving the color of meat and aquatic products. In addition, Kojic Acid can also be used in chemical intermediate products, agriculture plant protection, chemical reagents and in antibiotics.
Shelf Life: 24months from the date of analysis in the original unopened container.
Storage: Store in cool, dry place, tightly sealed, light-resistant container, protect from moisture.
Packing: In tinfoil 25kgs/drum