China (Mainland)
Factory Price-Vitamin C-Pharmaceutical raw material /API CAS NO.50-81-7
- Min.Order: 1 Kilogram
- Payment Terms: L/C,T/T,
- Product Details
Keywords
- Ascorbic acid
- High Purity
- Hot Sale
Quick Details
- ProName: Factory Price-Vitamin C-Pharmaceutical...
- CasNo: 50-81-7
- Molecular Formula: C6H8O6
- Appearance: White or Almost White Crystalline Powd...
- Application: 1) It can be used in food additive. It...
- DeliveryTime: 3-7 working days after the payment
- PackAge: 25kgs/fiber drum
- Port: Tianjin/Shanghai
- ProductionCapacity: 10 Metric Ton/Day
- Purity: 99.0% ~ 100.5%
- LimitNum: 1 Kilogram
Superiority
Specifications
Vitamin C Powder
1.CAS:50-81-7
2.Assay:99.8%
3.White crystalline powder
4.Analysis Standard:BP 2012/USP35
Details
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Product name: |
Ascorbic acid |
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Synonyms: |
L-Ascorbic acid |
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CAS#: |
50-81-7 |
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MF: |
C6H8O6 |
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Molecular weight: |
176.13 |
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EINECS #: |
200-066-2 |
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Molecular construction: |
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Vitamin C is a colorless crystal, odourless, acidic taste. Soluble in water and ethanol. Stable in dry air , and its solution is not stable. As well as, vitamin C takes part in many metabolism procedures in the human body, helps decrease brittleness of blood capillaries and increase body resistance
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Product Name: Ascorbic Acid |
Testing Date: JAN. 8th, 2013 |
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Specification |
Standard |
Result |
|
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Appearance |
White or Almost White Crystalline Powder |
pass |
|
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Identification |
Positive Reaction |
Positive |
|
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Melting Point |
About 190°C |
191°C |
|
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pH(With 2% Water Solution) |
2.4~2.8 |
2.6 |
|
|
pH(With 5% Water Solution) |
2.1~2.6 |
2.3 |
|
|
Clarity of Solution |
Clear |
Clear |
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Colour of Solution |
≤ BY7 |
< BY7 |
|
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Copper |
≤ 5ppm |
< 5ppm |
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Heavy Metals |
≤ 10ppm |
< 10ppm |
|
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Lead |
≤ 2ppm |
< 2ppm |
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Iron |
≤ 2ppm |
< 2ppm |
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Cadmium |
≤ 1ppm |
< 1ppm |
|
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Arsenic |
≤ 3ppm |
< 3ppm |
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Mercury |
≤ 0.1ppm |
< 0.1ppm |
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Zinc |
≤ 25ppm |
< 25ppm |
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Oxalic Acid |
≤ 0.2% |
< 0.2% |
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Sulphate Ash(Residue on Ignition) |
≤ 0.1% |
0.03% |
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Specific Optical Rotation |
+20.5° ~ +21.5° |
+21.1° |
|
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Assay |
99.0% ~ 100.5% |
99.9% |
|
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Loss on Drying |
≤ 0.4% |
0.03% |
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Residual Solvents |
Methanol:NMT 3000 ppm |
< 200ppm |
|
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Related Substances |
Impurity C ≤ 0.15% |
Complies |
|
|
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Impurity D ≤ 0.15% |
Complies |
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|
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Any Other Unspecific Impurities ≤ 0.10% |
Complies |
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