Vitamin B2
Type:Vitamins
CAS No:83-88-5
Qty in 20′ FCL:8MT
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| Item | Standard |
| Appearance | Orange Yellow Crystalline Powder |
| Identification | Positive |
| Acidity or Alkalinity | check the color of the test solution
after adding the respective solutions |
| Lumiflavin | Absorbance of the filtrate at 440nm
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 |
| Particla Size | 100% passes through 60 mesh sieve |
| Specific Rotation | between-115º and -135º (EP/BP/USP) |
| Loss on Drying | ≤1.5% |
| Heavy Metals | <10ppm |
| Residue on Ignition | ≤0.3% (USP)
≤0.1%(EP/BP) |
| Residual Solvents | Method IV <467> (USP) |
| Assay(ondried basis) | 98.0%-102.0% (USP)
97.0%-103.0% (EP/BP) |
- Specificaiton
-
Item Standard Appearance Orange Yellow Crystalline Powder Identification Positive Acidity or Alkalinity check the color of the test solution after adding the respective solutions
Lumiflavin Absorbance of the filtrate at 440nm 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
Particla Size 100% passes through 60 mesh sieve Specific Rotation between-115º and -135º (EP/BP/USP) Loss on Drying ≤1.5% Heavy Metals <10ppm Residue on Ignition ≤0.3% (USP) ≤0.1%(EP/BP)
Residual Solvents Method IV <467> (USP) Assay(ondried basis) 98.0%-102.0% (USP) 97.0%-103.0% (EP/BP)