China (Mainland)
Diamondsupplier 
|
Items of Test |
Limits of Test |
Results of Test |
|
1.Appearance |
Orange yellow crystalline powder |
Meets |
|
2.Identification |
Positive |
Meets |
|
3.Acidity or Alkalinity |
check the color of the test solution after adding the respective solutions |
Meets |
|
4.Lumiflavin |
Absorbance of the filtrate at 440nm does not exceed 0.025 (USP);not more intense than BY6(EP/BP) |
0.008 Meets |
|
5.Absorbance |
0.31-0.33 A373nm/A267nm 0.36-0.39 A444nm/A267nm |
0.32 0.38 |
|
6.Particla Size |
100% passes through 60 mesh sieve |
Meets |
|
7.Specific Rotation |
between-115º and -135º (EP/BP/USP) |
-121º(USP) -1300(BP/EP) |
|
8.Loss on Drying |
≤1.5% |
0.4% |
|
9.Heavy Metals |
<10ppm |
Meets |
|
10.Residue on Ignition |
≤0.3% (USP) ≤0.1%(EP/BP) |
0.1% |
|
11.Residual Solvents |
Method IV <467> (USP) |
Meets |
|
12.Assay(ondried basis) |
98.0%-102.0% (USP) 97.0%-103.0% (EP/BP) |
98.8%(USP) 99.7%(EP/BP) |
|
CONCLUSION: The product with this batch number meets all requirements of the following valid compendia when tested accordingly: EP5+BP2008+ USP33. |
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supply high quality & purity Riboflavin 99% CAS NO.83-88-5
- FOB Price: USD: 1.00-3.00 /Metric Ton Get Latest Price
- Min.Order: 1 Metric Ton
- Payment Terms: T/T,Other
- Available Specifications:
10KG(1-20)Metric Ton10KG(20-30)Metric Ton10g(1-20)Metric Ton
- Product Details
Keywords
- 83-88-5
- 83-88-5 Riboflavin
- Riboflavin
Quick Details
- ProName: supply high quality & purity Riboflavi...
- CasNo: 83-88-5
- Molecular Formula: Riboflavin
- Appearance: crystal, powder
- Application: Pharmaceutical intermediates
- DeliveryTime: 1-2 days
- PackAge: as your request
- Port: Qingdao port
- ProductionCapacity: 10 Metric Ton/Day
- Purity: 99%
- Storage: stay in dry, cool and well-sealed
- Transportation: EMS,HK EMS,FEDEX,DHL,TNT
- LimitNum: 1 Metric Ton
- Moisture Content: 0.01%
- Impurity: 0.001%
- Loss On Drying: 0.2%
- Melting Point: 177℃ ~ 181℃
- Specific Rotation: +27°
- Assay: 99.2%
Superiority
hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and development production of reagent tens of thousands of species. our aim is quality strives for the survival. Seek development by credit reputation. Our products have big price advantage in Europe South America and so on .and Our company also has the advantage of high quality in Africa. in the past two years our products has reached more than 30 countries in the world, Europe. South America. North America, southeast Asia, Africa, etc. We welcome all over the world with the best quality and lowest price friend common cooperation and common development!
Details