Product Details
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)
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