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Vitamin C CAS NO.50-81-7
- FOB Price: USD: 1.00-1.00 /Metric Ton Get Latest Price
- Min.Order: 1 Kilogram
- Payment Terms: L/C,T/T
- Available Specifications:
99%(1-5)Metric Ton
- Product Details
Keywords
- 50-81-7
- Vitamin C
- L(+)-Ascorbic acid
Quick Details
- ProName: Vitamin C
- CasNo: 50-81-7
- Molecular Formula: C6H8O6
- Appearance: White powder
- Application: Antioxidants, Nutrition Enhancers
- DeliveryTime: Within 2 weeks after order confirmatio...
- PackAge: 25KG/Drum
- Port: Qingdao Port
- ProductionCapacity: 2000 Metric Ton/Year
- Purity: 99%
- Storage: Store in cool and dry place, away from...
- Transportation: By sea or by air
- LimitNum: 1 Kilogram
- CAS: 50-81-7
Superiority
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Product Name |
Vitamin C |
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Specification |
99% |
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Grade |
Food & Cosmetic grade |
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Appearance |
White crystalline Powder |
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Test Method |
HPLC |
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Details
|
ITEM |
STANDARD |
|
Appearance |
White or almost white crystal or crystalline powder |
|
Identification |
Positive |
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Melting point |
191 ℃ ~ 192℃ |
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pH (5%, w/v) |
2.2 ~ 2.5 |
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pH (2%,w/v) |
2.4 ~ 2.8 |
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Specific optical rotation |
+20.5° ~ +21.5° |
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Clarity of solution |
Clear |
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Heavy metals |
≤0.0003% |
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Assay (as C 6H 8O6, %) |
99.0 ~ 100.5 |
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Copper |
≤3 mg/kg |
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Iron |
≤2 mg/kg |
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Mercury |
≤1 mg/kg |
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Arsenic |
≤2 mg/kg |
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Lead |
≤2 mg/kg |
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Oxalic acid |
≤0.2% |
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Loss on drying |
≤0.1% |
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Sulphated ash |
≤ 0.1% |
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Residual solvents (as methanol) |
≤ 500 mg/kg |
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Total plate count (cfu/g) |
≤ 1000 |
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Yeasts & molds (cfu/g) |
≤ 100 |
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Escherichia. Coli/g |
Absence |
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Salmonella/ 25g |
Absence |
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Staphylococcus aureus/ 25g |
Absence |