Item | USP | BP/EP | CP |
Identification | Conforms | ||
Assay(%) | 98.0-102.0 | 98.0-101.0 | 98.0-102.0 |
Residual solvents(%) | -- | Conforms | cyclohexane ≤0.388 Trichloro ethylene ≤0.001 Toluene ≤0.001 |
Specific rotation/Spencific optical rotation | +160°~+164° | ||
Light-absorbing impurities | ≤0.10 (230-350nm) ≤0.05 (350-750nm) | ||
Water/Loss on drying(%) | ≤14.0 | ≤16.0 | ≤14.0 |
Residue on ignition/Sulfated ash(%) | ≤0.1 | ||
Chloride(%) | -- | ≤0.018 | |
Reducing sugars(%) | ≤0.2 | ≤0.5 | |
pH | 5.0-8.0 |