Item | Specification |
Appearance | White or almost white crystalline or powder |
Solubility | Soluble in water, methanol and DMSO |
Melting point | 158℃~162℃ |
Identification | NMR |
Largest single impurity | ≤0.2% |
Total impurity | ≤1.0% |
Water (KF) | ≤1.0% |
Residue on ignition | ≤0.10% |
Acetone | ≤0.5% |
Methanol | ≤0.3% |
Ethyl acetate | ≤0.5% |
Tetrahydrofuran | ≤0.072% |
Assay | Contains 98.0%-102.0% of C12H14N2.HCl(On anhydrous basis) |