| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Characteristics | White to off-white powder | Conforms |
| Identification | IR Absorption | Conforms |
| UV Absorption | Conforms | |
| Melting point | 257℃~261℃ | 260℃ |
| Loss on drying | ≤0.5% | 0.08% |
| Residue on ignition | ≤0.1% | 0.01% |
| Assay | 98.0%~102.0% | 99.40% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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