Cosmetic grade Cas 129499-78-1 Skin Whitening AA2G/Ascorbyl Glucoside Powder
Ascorbyl glucoside is a natural active substance containing vitamin C structure and it is a good VC derivative. The experiment proves that ascorbyl glucoside (AA2G) not only overcomes the shortcoming that VC is easily oxidized and unstable, but also has excellent stability under the condition of heat, oxygen and metal ions, and retains the normal activity of VC. The role of the skin, the slow release of vitamin C, can effectively exert its ability to inhibit melanin, reduce color, reduce pigmentation. Ascorbyl glucoside also has a bright skin, anti-oxidation, anti-aging skin, play a role in protecting the skin in sunscreen products.
| Item | Specification | Results |
| Appearance | White or almost white powder | Almost white powder |
| Melting Point | 158-163℃ | 159-160℃ |
| pH | 5.0-7.0 | 6.5 |
| Specific Optical Rotation | +186- +188° | 186.8° |
| Clarity of Water Solution | Transparency, colorless | Meets the Requirments |
| Loss on Drying | ≤1.0% | 0.3% |
| Free Ascorbic Acid | ≤0.1% | Meets the Requirments |
| Free Glucose | ≤0.1% | Meets the Requirments |
| Pb | ≤10 ppm | <10 ppm |
| Arsenic | ≤2 ppm | <2 ppm |
| Residue on Ignition | ≤0.2% | 0.07% |
| Assay | ≥98.0% | 99.52% |
| Total Plate Count | ≤100 cfu/g | 30 cfu/g |
| Total Yeast Count | ≤100 cfu/g | Not Detected |
| E.Coli | Not Detected | Not Detected |
| Staphylococcus Aureus | Not Detected | Not Detected |
| Pseudonmonas Aeruginosa | Not Detected | Not Detected |
| Conclusion | The test results conform with enterprise standard. | |
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