L-ASCORBIC ACID Extra Pure
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC4143 | Extra Pure | 99% | 50-81-7 | C6H8O6 | 176.12 | 2936.27 | 36 Months |
Packings
| 100 g,500 g |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | White crystalline |
| Odour | Odorless |
| pH value | 1 - 2.5 |
| Melting point/ Freezing point [°C] | 190 - 194 °C |
| Density [g/cm3] | 1.65 |
| Solubility in water [% weight] | 176 g/l at 20 °C - completely soluble |
Specifications
| Appearance | A white to very pale yellow crystalline powder or colourless crystals; odourless. On exposure to light it gradually darkens. |
| Assay | 99.0 - 100.5% |
| Specific rotation [a] 20°C/ D (10% solution) | +20.5° to +21.5° |
| Residue on ignition | Max. 0.1% |
| Heavy metal (as Pb) | Max. 0.002% |
| Iron (Fe) | Max. 0.001% |
Safety Information and Hazard Symbols
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