| Product Name | Kojic Acid |
|---|---|
| CAS Number | 501-30-4 |
| Molecular Formula | C6H6O4 |
| Molecular Weight | 142.11 |
| Appearance | White to off-white crystalline powder |
| Specifications | 99% |
| Assay (HPLC) | ≥99.0% |
| Loss on Drying | ≤0.5% |
| Residue on Ignition | ≤0.1% |
| Heavy Metals | ≤10 ppm |
| Solubility | Soluble in water, ethanol, and acetone |
| Particle Size | 95% through 80 mesh |
| Package | 1 kg, 5 kg, 25 kg fiber drums |
| Specification | 99% |
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Synonyms: Kojic acid, 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one, 5-Hydroxy-2-(hydroxymethyl)-4-pyrone, Kojic Acid, 501-30-4
Kojic acid is a naturally occurring organic acid produced by various species of fungi, particularly Aspergillus and Penicillium, during fermentation. It is a white to off-white crystalline powder with a mild, characteristic odor. As a chelating agent and antioxidant, kojic acid is widely recognized for its ability to inhibit tyrosinase, an enzyme involved in melanin production, making it a key ingredient in skin-lightening and depigmentation products.
In the pharmaceutical and cosmetic industries, kojic acid is utilized in formulations for hyperpigmentation disorders, such as melasma and age spots. Its efficacy in brightening skin tone and its antioxidant properties have made it a popular alternative to hydroquinone. Additionally, it serves as a precursor in the synthesis of various chemicals and as a food additive to prevent enzymatic browning.
| Parameter | Specification |
|---|---|
| Assay (HPLC) | ≥99.0% |
| Appearance | White to off-white crystalline powder |
| Melting Point | 152-155°C |
| Loss on Drying | ≤0.5% |
| Residue on Ignition | ≤0.1% |
| Heavy Metals | ≤10 ppm |
| Solubility | Clear solution in water (1 g/10 mL) |
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