Specification
| Item | Specification |
| Appearance | White to off-white crystalline powder |
| Assay, % (HPLC) | ≥98.0% |
| PH (1% aqueous solution) | 2.1-2.5 |
| Loss on drying | ≤1.0% |
| Residue on ignition | ≤0.2% |
| Heavy Metals (Pb) | <20ppm |
Application:
Mainly used in advanced cosmetics as a skin lightening and whitening agent.
Can also be used in various skin care products, such as sunscreen products, anti-photoaging cosmetics, anti-wrinkle cosmetics, etc.



