| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White or off-white powder | Conforms |
| Melting point | 257℃~265℃ | 264℃ |
| Loss on drying | ≤1.0% | 0.068% |
| Single impurity | ≤0.2% | 0.01% |
| Total impurities | ≤2.0% | 0.68% |
| N-BDA | ≤0.5% | 0.06% |
| N,N-ChBA | ≤0.5% | 0.02% |
| PhACN | ≤1.0% | 0.01% |
| Assay | ≥98.0% | 99.43% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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