ITEMS | SPECIFICATION |
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 Referece sol. (C) 0.025% (BP/EP) |
Absorbance | 0.31-0.33 A373nm/A267nm 0.36-0.39 A444nm/A267nm by Spectrophotometric analysis |
Particla Size | 95% passes through 80 mesh sieve |
Specific Rotation | Between -115° and -135° (EP/BP/USP) |
Loss on Drying | ≤1.5% |
Heavy Metals | <10ppm |
Residue on Ignition/ Sulphated Ash | ≤0.3% (USP) ≤0.1% (EP/BP) |
Organic Volatile Impurities | Method IV <467> (USP) |
Assay (on dried basis) | 98.0%-102.0% (USP) 97.0%-103.0% (EP/BP) |
Standard | EP5/BP2008/USP-NF2022 |