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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