Item | Specification | Results |
Appearance | White or almost white crystal powder | White sheet crystals |
Assay | ≥98.0% |
99.2% |
Melting point | 93.0~97.0℃ | 94.1~95.3℃ |
Loss on drying | ≤0.5% |
0.1% |
Ignition residue | ≤0.1% |
0.06% |
Heavy metal | ≤0.001% | Conforms |
Solubility | Easily dissolve Tetrahydrofuran and hot Ethanol | Conforms |
ColorReaction of Ferric Chloride | No color | Conforms |
Identification | Positive | Conforms |
Conclusion | Comply with required standards |
Item | Specification | Results |
Appearance | White or almost white crystal powder | White sheet crystals |
Assay | ≥98.0% |
99.2% |
Melting point | 93.0~97.0℃ | 94.1~95.3℃ |
Loss on drying | ≤0.5% |
0.1% |
Ignition residue | ≤0.1% |
0.06% |
Heavy metal | ≤0.001% | Conforms |
Solubility | Easily dissolve Tetrahydrofuran and hot Ethanol | Conforms |
ColorReaction of Ferric Chloride | No color | Conforms |
Identification | Positive | Conforms |
Conclusion | Comply with required standards |