| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | Colorless or slightly yellow liquid | Conforms |
| Melting point | -8℃~-7℃ | -8.0℃ |
| Loss on drying | ≤0.50% | 0.12% |
| Residue on ignition | ≤0.10% | 0.03% |
| Heavy metals | ≤0.002% | 0.0001% |
| Assay | 99.0%~100.5% | 99.80% |
| Conclusion: The Product Conforms to USP/BP. |
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