| Testing items | Specifications | Results |
| Description | Light yellow crystalline powder | Conforms |
| Solution clarity (10% in toluene) |
Transparent clarification | Conforms |
| Color value (5% in toluene) |
5~7 | 6 |
| Melting point | 57.0℃~74.0℃ | 71.2℃ |
| Volatile matter | ≤0.2% | 0.10% |
| Ash | ≤0.10% | 0.05% |
| Assay | ≥98.5% | 99.1% |
| Conclusion: The Product Conforms to Enterprise Standard |
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