Vitamin B2 (Riboflavin) BP2007 / USP30
Detailed introduction to Vitamin B2:
Vitamin B2 (Riboflavin)
Specification :
| ITEM | STANDARD |
Appearance | A yellow or orange yellow crystalline powder |
Identification | Positive |
Specific rotation | -115°- -135° |
Assay | 98.0-102.0% |
Loss on drying | ≤1.5% |
Residue on ignition | ≤0.1% |
Organic volatile impurities | Meets the requirements |
Acidity or alkalinity | Meets the requirements |
Lumiflavin | Absorbance 0.025 max (440nm) |
Absorbance | A373nm/A267nm=0.31-0.33 A444nm/A267nm=0.36-0.39 |