| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | Orange yellow powder | Conforms |
| Melting point | 172.0℃~174.0℃ | 173.7℃ |
| Toluene Insoluble Matter | ≤0.30% | 0.18% |
| Fe content | ≤100pm | 80ppm |
| Purity | ≥98.0% | 99.15% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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