| Appearance | White or off-white powder |
| Specific Rotation[α]20/D | -131°±5°(C=2,H2O) |
| Transmittance | ≥99.0% |
| Chloride(CL) | ≤1.0% |
| Iron(Fe) | ≤10ppm |
| Heavy metal(Pb) | ≤10ppm |
| Arsenic | ≤1ppm |
| Melting point | 142℃~149℃ |
| TLC Analysis | ≥99.0% |
| Assay | ≥98.5% |
| Loss on drying | ≤0.5% |