Essential details
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Product Introduction
| Parameter Category | Details |
|---|---|
| Chemical Name | Ascorbic Acid 2-Phosphate Magnesium Ester (MAP; Magnesium Ascorbyl Phosphate) |
| CAS Number | 113170-55-1 |
| Chemical Formula | \(\ce{C6H8O9P·Mg}\) |
| Molecular Weight | 294.30 g/mol |
| Appearance | White to off-white crystalline powder |
| Odor | Odorless |
| Solubility | Highly soluble in water; insoluble in ethanol, chloroform, ether and other organic solvents |
| Purity (Cosmetic Grade) | ≥98.0% |
| pH Value (1% aqueous solution) | 7.0–8.5 |
| Stability | Excellent stability to light, heat and oxidation; does not discolor in cosmetic formulations; stable over a wide pH range (3.0–12.0) |
| Storage Condition | Store in a cool, dry, dark place; sealed container; avoid contact with strong reducing agents; shelf life up to 3 years |
