分析项目 Item of Analysis | 标准 Standard | 分析结果 Result of Analysis |
外观 Appearance | 白色至类白色结晶粉末 White to off white crystal powder | 白色结晶粉末 White crystal powder |
气味 Odour | 轻微特征性气味 Slight odour | 符合标准 Conforms |
熔点 Melting Point |
111℃-115℃
| 112~114℃ |
澄清度与颜色 Clarity and color | 应澄清无色 Should be clear and colorless | 澄清无色 Clear and colorless |
灼烧残渣 Residue on ignition | ≤0.1% | 符合标准 Conforms |
干燥失重 Loss on drying | ≤1.0% | 0.10% |
HPLC Purity | ≥99.5% | 99.9% |