CAS No.:83-88-5
Molecular Formula:C17H20N4O6
Molecular Weight: 376.37
Structural Formula:
Property:
Yellow or orange yellow crystalline powder; smells slightly bitter; Slightly dissolves in water, not dissolve in ether, alcohol and chloroform, with the melting point of 281∽290℃.
Specification:
1. BP/USP/EP
2. USP/FCC
3. FOOD GRADE
4. 95% DC GRADE
5. 80% FEED GRADE
|
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) |
0.009 Meets |
| 5.Absorbance |
0.31-0.33 A373nm/A267nm 0.36-0.39 A444nm/A267nm |
Meets |
| 6.Particla Size |
100% passes through 80 mesh sieve |
Meets |
| 7.Specific Rotation |
between-115º and -135º (EP/BP/USP) |
-124º |
| 8.Loss on Drying |
≤1.5% |
0.5 % |
| 9.Heavy Metals |
<10ppm |
Meets |
| 10.Residue on Ignition |
≤0.3% (USP) ≤0.1%(EP/BP) |
0.1% |
| 11.Organic Volatile Impurities |
Method IV <467> (USP) |
Meets |
| 12.Assay(ondried basis) |
98.0%-102.0% (USP) 97.0%-103.0% (EP/BP) |
98.1% |
Conclusion:The product with this batch number meets all requirements of the following valid compendia when tested accordingly:EP5+BP2008+USP31.
Usage:
Riboflavin is the essential necessity for organism in normal living as the nutriment for infant, pregnant woman nursing mother, patient after illness and the aged. It, involve , participates in the metabolishm of carbonhydrate, protein and fat, and is the major composition of flavorprotein, the transferring enzyme system of hydrogen, In clinical practice, it is applicable to perleche, glossitis, ophthalmitis, conjunctivitis, ceborrhea, scrotum inflammations with proper effect ,In food and feed industry, it is widely used as food and feed additives
Packing:
1.BP/USP/EP ---------20KG/25KG NET FIBER DRUM
2.USP/FCC ---------20KG/25KG NET CARTON
3.FOOD GRADE ---------10KG NET FIBER DRUM
4.95% DC GRADE ---------25KG NET FIBER DRUM
5.80% FEED GRADE ---------25KG NET CARTONS
Storage:
In well Sealed Containers, Stored in Cool ,dry place and keep from light.
Shelf life:
2 years in original packages under the described conditions.
Keyword:
Riboflavin
