| Testing Index | Specifications | Conclusion |
| Appearance | White or light red crystalline powder | Conform |
| Melting point | 109.0℃~113.0℃ | 111.2℃ |
| Burning residue | ≤0.10% | 0.05% |
| Assay(on dry basis) | ≥98.0% | 99.1% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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