Ascorbyl glucoside, abbreviated as AA2G, is a derivative of vitamin C. AA2G is used in whitening products and is also widely used in anti-aging and sunscreen products.
It is stable in nature and has considerable solubility in both water and oil.
It also has good light resistance, heat resistance, reduction and oxidation resistance.
| Items | Standards | Results |
| Appearance | White powder | Complies |
| pH | 2.0~2.5 | 2.4 |
| Melting Point | 158℃~163℃ | 161℃ |
| Optical rotation | +186.0o ~ +188.0o | +186.8o |
| Loss on drying | ≤1.0% | 0.11% |
| Residue on ignition | ≤0.2% | 0.05% |
| Free ascorbic acid | ≤0.1% | 0% |
| Free glucose | ≤0.1% | 0% |
| Heavy metals(as Pb) | ≤10ppm | Complies |
| Arsenic(AS2O3) | ≤1ppm | Complies |
| Assay | ≥98% | 99.20% |
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