| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | Clear colorless liquid | Conforms |
| Melting point | -15℃~-20℃ | -17℃ |
| Refractive index | 1.442~1.443 | 1.442 |
| Loss on drying | ≤0.20% | 0.05% |
| Assay | ≥99.0% | 99.42% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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