تفاصيل أساسية
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وصف المنتج
| Parameter Category | Details |
|---|---|
| Chemical Name | 2-O-β-D-Glucopyranosyl-L-ascorbic acid (AA-2G) |
| Common Abbreviation | AA-2G |
| CAS Number | 129499-78-1 |
| Chemical Formula | \(\ce{C12H18O11}\) |
| Molecular Weight | 338.27 g/mol |
| Appearance | White to off-white crystalline powder |
| Odor | Odorless |
| Solubility | Highly soluble in water; slightly soluble in ethanol; insoluble in chloroform, ether and other non-polar solvents |
| Melting Point | 152–156 °C (decomposes) |
| Purity (Cosmetic Grade) | ≥98.0% |
| pH Value (1% aqueous solution) | 2.8–3.4 |
| Stability | Excellent stability against light, heat and oxidation; does not discolor in cosmetic formulations; decomposes slowly in vivo to release L-ascorbic acid |
| Storage Condition | Store in a cool, dry, dark place; sealed container; avoid contact with strong acids and alkalis; shelf life up to 2 years |
