Vitamins

  • Vitamin C
Vitamin C

Vitamin C

  • CAS No: 50-81-7
  • EINECS No.: 200-066-2
  • MF:C6H8O6
  • Purity: 99%MIN
  • Product description:
  • INQUIRY

Product Information

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
Specification:

Items
Standard
Results
Appearance
White crystalline powder
White crystalline powder
Identification
Positive
Positive
Clarity of solution
Clear
Clear
Color of solution
≤BY7
Assay
99.0~100.0%
99.8%
Loss on Drying
≤0.4%
0.04%
Residue on ignition
≤0.1%
0.03%
Sulphate Ash
≤0.1%
0.03%
Specific rotation
+20.5°~ +21.5°
+21.00°
pH(with 2% water solution)
2.4-2.8
2.46
PH(with 5% water solution)
2.1-2.6
2.37
Melting range
About 190℃
191℃
Heavy metals
≤3ppm
<3ppm
Iron
≤2ppm
<2ppm
Iron
≤2ppm
<2ppm
Copper
≤5ppm
<5ppm
Oxalic acid
≤0.2%
<0.2%
Arsenic
≤1ppm
<1ppm
Lead
≤2ppm
<2ppm
Cadmium
≤1ppm
<1ppm
Mercury
≤1ppm
<1ppm
Organic volatile impurities
Meets the requirements
conform


Related Substances
ImpurityC≤0.15%
ImpurityD≤0.15%
Any Other Unspecific Impurities
Impurity≤0.10%
Total Impurity≤0.2%


complies
Total Plate Count
≤1,000cfu/g
<1,000cfu/g
According to BP2010, E300, USP32, FCC7, EP 7.

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