Description
Kojic acid (5-hydroxy-2-hydroxymethyl-4-pyrone) is a by-product in the fermentation process of malting rice. Mild inhibitor of the formation of pigment in plant and animal tissues.
Synonyms
Pyran-4-one, 5-hydroxy-2-(hydroxymethyl)
IUPAC Name
5-Hydroxy-2-(hydroxymethyl)pyran-4-one
Canonical SMILES
C1=C(OC=C(C1=O)O)CO
InChI
InChI=1S/C6H6O4/c7-2-4-1-5(8)6(9)3-10-4/h1,3,7,9H,2H2
InChI Key
BEJNERDRQOWKJM-UHFFFAOYSA-N
Melting Point
152-155 °C(lit.)
Solubility
Soluble in water, acetone, slightly solluble in ether, insoluble in benzene
Application
All kinds of skin-lightening products including lotions, creams, fluids, makeup products.
Storage
Store below +30 °C
Features And Benefits
Skin-lightening effect by inhibiting melanin formationPromotes skin lightening and helps establishing an even skin tone on all skin typesMinimizes liver spotsOften used also to preserve or stabilize colors in cosmetic productsCan enhance shelf life through its preservative actions against chemical and microbial degradation
Monoisotopic Mass
142.02660867
Shipping
Can be shipped at room temperature, where not in use may vary.
Source
Aspergillus, Penicillium or Acetobacter spp
Stability
Stable. Combustible. Incompatible with strong oxidizing agents.
Storage Conditions
Store in a cool, dry place. Store in a tightly closed container.
Topological Polar Surface Area
66.8 Ų