China (Mainland)
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High purity Riboflavin (VB2) CAS NO.83-88-5
- Min.Order: 1 Kilogram
- Payment Terms: L/C,T/T,
- Product Details
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Quick Details
- ProName: High purity Riboflavin (VB2)
- CasNo: 83-88-5
- Molecular Formula: C17H20N4O6
- Appearance: Orange yellow crystalline powder
- Application: CAS: 83-88-5
- DeliveryTime: Within 15days
- PackAge: 25kg/drum
- Port: China sea port
- ProductionCapacity: 15000 Kilogram/Year
- Purity: 99.1%
- Storage: Cool and dry place
- Transportation: by sea or air, express for small quant...
- LimitNum: 1 Kilogram
Superiority
Product name: Riboflavin(VB2)
CAS No.：83-88-5
Molecule Formula：C17H20N4O6
Molecule Weight：376.3739
Purity: 99.1%
Package: 25kg/drum
Description：Orange yellow crystalline powder
Manufacture Standards：BP/USP/EP
|
Testing Items |
Specifications |
Results of Test |
|
Appearance |
Orange yellow crystalline powder |
Conforms |
|
Identification |
Positive |
Conforms |
|
Acidity or alkalinity |
Check the color of the test solution after adding the respective solutions |
Conforms |
|
Absorbance |
0.31~0.33 A373nm/A267nm 0.36~0.39 A444nm/A267nm |
0.32(BP) 0.33(EP) 0.38(BP) 0.39 (EP) |
|
Lumiflavin |
Absorbance of the filtrate at 440nm does not exceed 0.025(USP) |
0.008(USP) |
|
Specific rotation |
-115.0°~-135.0° |
-122°(USP) -128°(BP/EP) |
|
Particle size |
95% passes through 80 mesh sieve |
Conforms |
|
Loss on drying |
≤1.50% |
0.2% |
|
Residue on ignition |
≤0.3%(USP) ≤0.1%(BP) |
0.1% |
|
Assay |
98.0%~102.0%(USP) 97.0%~102.0%(BP) |
98.5%(USP) 99.1%(BP/EP) |
|
Organic volatile impurities |
Method IV <467>(USP) |
Conforms |
|
Heavy metals |
≤10ppm |
<10ppm |
|
Related substance |
Impurity A: not more than 0.025% Impurity B: not more than 0.2% Impurity C : not more than 0.2% Impurity D: not more than 0.2% Unspecified impurity: not more than 0.1% Total: not more than 0.5% |
0.0052% 0.06% 0 0.13% 0.08%/0.06% 0.34% |
|
Conclusion: The Product Conforms to BP/USP/EP. |
||
Details
Siwei Development Group Ltd. is a reputed professional enterprise in China dedicated to the Amino Acids production and sales of fine chemical products.Over the years we have been making meticulous efforts in the production, research and development of new generation chemicals applied in a variety of industries like amino acids, food additive, pharma grade raw materials and so on. With many years industry experience, Siwei is one of the amino acids suppliers and exporters in China, serving bulk powder to industries like dietary supplement, nutritional supplement, functional food and drink.Health is more valuable than wealth. In the tenet of concern for human's life quality. Siwei devotes itself to manufacturing amino acids, which are the necessities for human health.