| CAS No.: | 501-30-4 |
|---|---|
| Formula: | C6h6o4 |
| EINECS: | 207-922-4 |
|
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The details of Hot Selling Cosmetic Raw Material High Quality Kojic Acid CAS 501-30-4
Product Name: Kojic acid
Synonyms: 4H-Pyran-4-one, 5-hydroxy-2-(hydroxymethyl)-;4H-Pyran-4-one,5-hydroxy-2-(hydroxymethyl)-;5-hydroxy-2-(hydroxymethyl)-4h-pyran-4-on;kojic;Pyran-4-one, 5-hydroxy-2-(hydroxymethyl);2-HYDROXYMETHYL-5-HYDROXY-4-PYRONE;5-Hydroxy-2-(hydroxymethyl)-γ-pyrone;Kojic acid
CAS: 501-30-4
MF: C6H6O4
MW: 142.11
EINECS: 207-922-4
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.
solubility DMSO (Slightly)
pka 7.9(at 25ºC)
form Crystalline Powder
color White to beige-brown
Specification
| Item | Specification | Result |
| Appearance | White or off white crystal | Whit or off white crystal |
| Assay | ≥99.0% | 99.70% |
| Melting point | 152~156ºC | 153.2~155.6ºC |
| Loss on drying | ≤0.5% | 0.20% |
| Ignition residue | ≤0.1% | 0.06% |
| Chloride | ≤50ppm | 20ppm |
| Alfatoxin | Not detectable | Not detectable |
| Heavy metal | ≤3ppm | Not detectable |
| Ferrum | ≤10ppm | Not detectable |
| Conclusion | The results conform to Enterprise Standard | |
Application
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.
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