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Vitamin C
SKU:VIN030
Description:
Description:
Name:Vitamin C
Molecular Formula:C6H8O6
Molecular Weight:176.12
CAS:50-81-7
EINECS:200-066-2
| ITEMS | LIMIT |
| Product name | Vitamin C (Ascorbic Acid) |
| Characteristics | White or almost white crystalline powder |
| Residual Solvents | Methanol:NMT3000ppm |
| Identification | Positive reaction |
| Melting point | About 190℃ |
| PH | 2.1-2.6 |
| Clarity of solution | Clear |
| Colour of solution | ≤BY7 |
| Heavy metals （Lead） | ≤2ppm |
| Copper | ≤ 5ppm |
| Iron | ≤2ppm |
| Arsenic | ≤3ppm |
| Osalic ash（Residue on ignition） | ≤0.1% |
| Specific optical rotation | +20.5°~+21.5° |
| Assay | 99.0%~100.5% |
| Organic volatile impurities | Pass |
Vitamin C or L-ascorbic acid or L-ascorbate is an essential nutrient for humans and certain other animal species, in which it functions as a vitamin. In living organisms, ascorbate is an anti-oxidant, since it protects the body against oxidative stress. It is also a cofactor in at least eight enzymatic reactions, including several collagen synthesis reactions that cause the most severe symptoms of scurvy when they are dysfunctional. In animals, these reactions are especially important in wound-healing and in preventing bleeding from capillaries.
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