Specification
| Appearance | White crystalline powder | Conform |
| Assay (%) | 98.5-101.0 | 99.1 |
| Loss on drying (at 105℃%) | ≤0.1 | 0.041 |
| Residue on ignition (%) | ≤0.1 | 0.053 |
| Melting point (℃) | >225 | 228.67 |
| PH | 4.0-6.0 | 4.54 |
| Cl (%) | ≤0.005 | Conform |
| Appearance | White crystalline powder | Conform |
| Assay (%) | 98.5-101.0 | 99.1 |
| Loss on drying (at 105℃%) | ≤0.1 | 0.041 |
| Residue on ignition (%) | ≤0.1 | 0.053 |
| Melting point (℃) | >225 | 228.67 |
| PH | 4.0-6.0 | 4.54 |
| Cl (%) | ≤0.005 | Conform |