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Magnesium Ascorbyl Phosphate
Appearance: White to pale yellow powder
Application: Can be used for whitening serum, antioxidant cream, sensitive skin repair lotion, anti-aging eye cream.
Magnesium ascorbyl phosphate is a white or slightly yellow powder substance, molecular formula is C12H12O18P2Mg3.10H2O. odorless, tasteless, hygroscopic, soluble in water, easily soluble in dilute acid, insoluble in organic solvents such as ethanol, chloroform or ether, and more stable in light, heat and air.
| Property | Details |
| Chemical Name | Magnesium ascorbyl phosphate |
| Appearance | White to pale yellow powder |
| Color of 3% solution | APHA number not more than 70 |
| Transparence of 3% solution | Transparent |
| pH value (1% solution) | 7.0-8.5 |
| Assay (HPLC), % | ≥ 98.5 |
| Water content, % | ≤ 20.0 |
| Chloride, % | ≤ 0.035 |
| Specific rotation[α] 20°D | +20.0°~+26.5°(c=3) |
| Total bacteria, cfu/g | ≤ 100 |
| As, ppm | ≤ 2 |
| Pb, ppm | ≤ 10 |
| Free ascorbic acid, % | ≤ 0.5 |
| Free phosphoric acid, % | ≤ 1.0 |
| Storage | Store in a cool, dry place, away from sunlight |
| Shelf Life | 2 years under proper storage conditions |