Kojic acid 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one CAS:501-30-4
Product Name: kojic acid Powder
Alias: 5-hydroxy-2-hydroxymethyl-4-pyrone
Specification: 99%
Grade: Cosmetic Grade;
Appearance: white needle-like crystals or powder;
Function: Skin whitening.
Molecular formula: C6H6O4
Molecular Weight: 142.11
CAS Number: 501-30-4.
ITEM |
SPECIFICATION |
RESULT |
Appearance |
White Powder |
white powder |
Purity, % |
99.0 min |
99.96% |
Melt point, °C |
152-156 |
153.4-154.1 |
Loss on drying, % |
1 max |
0.37 |
Residue on ignition, % |
0.2 max |
0.09 |
Heavy metals, ppm |
3 max |
less than 0.10 |
Iron, ppm |
10 max |
7.00 |
Arsenic, ppm |
1 max |
less than 0.10 |
Chloride, ppm |
100 max |
25 |
Conclusion |
It complies with the standard. |
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