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Riboflavin (VB2)
SKU:VIN019
Description:
Description:
Name:Riboflavin
Molecular Formula:C17H20N4O6
Molecular Weight:376.37
CAS:83-88-5
EINECS:201-507-1
Standard: BP2011/USP33
| ITEMS | LIMIT |
| Product name | Riboflavin (VB2) |
| Appearance | Orange yellow crystalline powder |
| Identification | Positive |
| Acidity or Alkalinity | check the color of the test solution |
| after adding the respective solutions | |
| Absorbance of the filtrate at 440nm | |
| Lumiflavin | does not exceed 0.025 (USP);not |
| more intense than BY6(EP/BP) | |
| Absorbance | 0.31-0.33 A373nm/A267nm |
| 0.36-0.39 A444nm/A267nm | |
| Particle Size | 100% passes through 80 mesh sieve |
| Specific Rotation | between-115º and -135º (EP/BP/USP) |
| Loss on drying | ≤1.5% |
| Heavy Metals | |
| Residue on Ignition | ≤0.3% (USP) |
| ≤0.1%(EP/BP) | |
| Organic Volatile Impurities | Method IV (USP) |
| Assay (on dried basis) | 98.0%-102.0% (USP) |
| 97.0%-103.0% (EP/BP) |
Applications: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.
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