| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White to yellowish white crystalline powder | Conforms |
| Identification | Meet the requirement | Conforms |
| Melting point | 116℃~119℃ | 118℃ |
| Loss on drying | ≤0.5% | 0.13% |
| Residue on ignition | ≤0.1% | 0.06% |
| Any other impurity | ≤0.5% | 0.11% |
| Total impurities | ≤1.0% | 0.45% |
| Assay | 98.5%~101.0% | 99.56% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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