| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White crystalline powder | Confirms |
| Melting point | 146.0℃~150.0℃ | 148.6℃ |
| Loss on drying | ≤0.5% | 0.13% |
| Total impurities | ≤1.0% | 0.05% |
| Purity | ≥99.0% | 99.40% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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