Kojic Acid#501-30-4
Kojic acid is a natural product of Aspergillus oryzae and other fungi. As a tyrosinase inhibitor, its core function is to chelate copper ions in the enzyme, thereby blocking melanin production, which gives it skin-whitening effects.
| Melting point | 152-155 °C (lit.) |
| Boiling point | 179.65°C (rough estimate) |
| density | 1.1712 (rough estimate) |
| refractive index | 1.4434 (estimate) |
| storage temp. | Store below +30°C. |
| solubilit | DMSO (Slightly), Methanol (Slightly, Sonicated) |
| form | Crystalline Powder |
| pka | 7.9(at 25℃) |
| color | White to beige-brown |
| Water Solubility | SOLUBLE |
| λmax | 269nm(CHCl3)(lit.) |
| Merck | 14,5317 |
| BRN | 120895 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| LogP | -0.640 |
| CAS DataBase Reference | 501-30-4(CAS DataBase Reference) |
| NIST Chemistry Reference | 5-Hydroxy-2-(hydroxymethyl)-4h-pyran-4-one(501-30-4) |
| IARC | 3 (Vol. 79) 2001 |
| EPA Substance Registry System | Kojic acid (501-30-4) |
| Hazard Codes | Xn |
| Risk Statements | 40-68 |
| Safety Statements | 22-24/25-36/37-36 |
| WGK Germany | 3 |
| RTECS | UQ0875000 |
| HS Code | 29329995 |
| Hazardous Substances Data | 501-30-4(Hazardous Substances Data) |
Inventory 2-3 working days New production 7-10 working days
