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Kojic acid

  • 501-30-4

Name Kojic acid
Basic Information
Synonyms 4H-Pyran-4-one,   5-hydroxy-2-(hydroxymethyl)-;
CAS number 501-30-4
EINECS 207-922-4
Formula C6H6O4
Molecular Weight 142.11
Melting Point 152-155 °C(lit.)
Water Solubility  SOLUBLE
Boiling Point 179.65°C (rough estimate)
Density  1.1712 (rough estimate)
Storage temp Refrigerator
Refractive index  1.4434 (estimate)
Safety Information
Hazard Codes  Xn
Risk Statements 40-68
Safety Statements 22-24/25-36/37-36
RTECS UQ0875000
HS Code  29329995
A naturally occurring chelation agent.
    hydroxystearate nonionic solubilizer
    Converted to maltol and ethyl maltol, flavor-enhancing additives. Food   additive to inhibit tyrosinase.
    kojic acid is a skin-lightening agent that acts through anti-oxidant   activity. Kojic acid is a tyrosinase inhibitor, although it is not as   effective as licorice extract. When combined with allantoin and other proper   ingredients in sunscreen preparations, the mixture can inhibit uV-caused   erythema and accelerate wound healing. It is also found to be skin   sensitizing and can be irritating.