Specification
| Appearance | White powder | Conform |
| Assay (%) | 99.0-101.0 | 99.5 |
| Loss on drying (%) | ≤1.0 | 0.16 |
| Heavy metals (ppm) | ≤5 | Conform |
| Cl (ppm) | ≤50 | Conform |
| Melting point (℃) | 240.0-244.0 | 240.4-240.9 |
| Appearance | White powder | Conform |
| Assay (%) | 99.0-101.0 | 99.5 |
| Loss on drying (%) | ≤1.0 | 0.16 |
| Heavy metals (ppm) | ≤5 | Conform |
| Cl (ppm) | ≤50 | Conform |
| Melting point (℃) | 240.0-244.0 | 240.4-240.9 |