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White Pure Alpha Arbutin Powder Skin-whitening Cosmetics EINECS No.: 440-470-8
Specifications:
| Items | Specification | Results |
| Characteristics | White crystalline powder | Conform |
| Assay (HPLC) | 97% | 99.5% |
| Melting point(°C) | 199-201 | 199.7-200.6 |
| Loss on drying (%) | ≤2% | 1.7% |
| Ash (%) | ≤0.5% | 0.08% |
| Clarity of water solution | Transparency, colorless, none suspended matters | Conform |
| Specific optical rotation | αD20+180±6° | +175.9 |
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