| Item | Specification |
| Appearance性状 | White crystals, cyrstal pwdr色晶体，结晶粉末 |
| Identification Infrared absorption spectrum 红外吸收光谱 | |
| Specific Rotation比旋度 | [α]D²º +22.4° - +24.7° |
| PH酸碱值 | 5.6 - 6.1 |
| Loss on Drying干燥失重 | ≤0.3% |
| Residue on Ignition灼烧残渣 | ≤0.1% |
| Chloride氯化物 | ≤0.05% |
| Sulfate硫酸 | ≤0.03% |
| Iron | ≤0.003% |
| Heavy Metals重金属 | ≤0.0015% |
| Chromatographic Purity 色谱纯度 | Meets the requirements符合要求 |
