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VITAMIN C CAS NO:50-81-7 NUTRITIONAL SUPPLEMENT VITAMIN C
CAS No.:50-81-7
MF:C6H8O6
EINECS No.:200-066-2
Place of Origin:China (Mainland)
White or almost White crystals Crystalline Powder
Standard(BP2009/USP32)
USE:
CAS No.:50-81-7
MF:C6H8O6
EINECS No.:200-066-2
Place of Origin:China (Mainland)
White or almost White crystals Crystalline Powder
Standard(BP2009/USP32)
| ITEM | STANDARD |
| Appearance | White or almost white crystal or crystalline powder |
| Melting point | 191 °C ~ 192°C |
| pH (5%, w/v) | 2.2 ~ 2.5 |
| pH (2%,w/v) | 2.4 ~ 2.8 |
| Specific optical rotation | +20.5° ~ +21.5° |
| Clarity of solution | Clear |
| Heavy metals | ≤0.0003% |
| Assay (as C 6H 8O6, %) | 99.0 ~ 100.5 |
| Copper | ≤3 mg/kg |
| Iron | ≤2 mg/kg |
| Loss on drying | ≤0.1% |
| Sulphated ash | ≤ 0.1% |
| Residual solvents (as methanol) | ≤ 500 mg/kg |
| Total plate count (cfu/g) | ≤ 1000 |
USE:
Food grade: As antioxidant and food nutrition enhancer, Vitamin C is used in flour product, beer, candy, jam, can, drink, dairy products ;Medicine grade: Vitamin medicines, prevent scurvy, and a various of drugs for acute or chronic infectious diseases, purpura, dental caries, gingival abscess, anemia ;Cosmetic material: Vitamin C can promote collagen formation, its antioxidation, can restrain pigment spots