| Tests | Specifications | Results |
| Description | White or off-white crystalline powder | Complies |
| Solubility | Freely soluble in water | Complies |
| Melting Point | 245℃ | Complies |
| Loss on drying | ≤0.3% | 0.16% |
| Residue on ignition | ≤0.1% | 0.03% |
| Heavy metals | ≤0.002% | ＜0.002% |
| Residual solvents | Should be to match with the standard | Complies |
| Assay | ≥98% | 99.50% |
| Conclusion | Conforms to EP |
