| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White crystalline powder | Conforms |
| Melting point | About 167℃ (with decomposition) | 167℃ |
| Optical rotation | No optical rotation | Conforms |
| Identification | UV: Compare the spectrum with the reference spectrum, both spectra exhibit similar intensities of absorption at the same wavelengths. | Conforms |
| IR: Compare the spectrum with the reference spectrum, both spectra exhibit similar intensities of absorption at the same wave numbers. | Conforms | |
| Qualitative Tests: Responds to the qualitative tests for chloride | Conforms | |
| Heavy metals | ≤20ppm | <20ppm |
| Piperidine HCL | ≤0.20% | <0.20% |
| Related substances | ≤0.20% | 0.0% |
| Water | ≤0.20% | 0. 17% |
| Residue on ignition | ≤0.20% | 0. 10% |
| Particle size(D50) | ≤60um | 33um |
| Assay | 98.5%~101.0% | 100.5% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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