Kojic Acid

• CAS: 501-30-4
• Catalog Number: ACM501304
• Category: Inhibitors
• Molecular Weight: 142.11
• Molecular Formula: C6H6O4
• 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
• Boiling Point: 179.65 °C
• Melting Point: 152-155 °C(lit.)
• Flash Point: 179.9 °C
• Density: 1.1712 g/cm³
• Solubility: Soluble in water, acetone, slightly solluble in ether, insoluble in benzene
• Appearance: Solid
• Application: All kinds of skin-lightening products including lotions, creams, fluids, makeup products.
• Storage: Store below +30 °C
• Active Content: 95%
• Complexity: 214
• Composition: Kojic acid
• Exact Mass: 142.02660867
• 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
• Hazard Codes: Xn
• HS Code: 3202100000
• LogP: -0.16230
• Monoisotopic Mass: 142.02660867
• Physical State: Solid
• pKa: 7.9(at 25 °C)
• PSA: 7.67
• Refractive Index: 1.4434
• 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
• WGK Germany: 3

Custom Q&A

What is the CAS number of Kojic Acid?

The CAS number of Kojic Acid is 501-30-4.

What is Kojic Acid produced by?

Kojic Acid is produced by several species of fungi, especially Aspergillus oryzae.

What is Kojic Acid a by-product of?

Kojic Acid is a by-product in the fermentation process of malting rice.

What is Kojic Acid used for in the manufacturing of sake?

Kojic Acid is used in the manufacturing of sake, the Japanese rice wine.

What does Kojic Acid inhibit the formation of?

Kojic Acid is a mild inhibitor of the formation of pigment in plant and animal tissues.

What is one of the uses of Kojic Acid in food and cosmetics?

Kojic Acid is used in food and cosmetics to preserve or change colors of substances.

What color complex does Kojic Acid form with ferric ions?

Kojic Acid forms a bright red complex with ferric ions.

What is the molecular weight of Kojic Acid?

The molecular weight of Kojic Acid is 142.11.

What physical state is Kojic Acid in?

Kojic Acid is in a solid physical state.

What is a typical application of Kojic Acid?

A typical application of Kojic Acid is its use as an antioxidant.