| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Characteristics | Colorless or almost colorless transparent liquid | Conforms |
| Acidity | ≤0.5 | 0.3 |
| Moisture | ≤0.3% | 0.059% |
| Sulphate ash | ≤0.1% | 0.07% |
| Specific gravity | 1.118~1.122 | 1.121 |
| Refractive index | 1.568~1.570 | 1.569 |
| Freezing point | ≤17℃ | 17.3℃ |
| Assay | ≥99.5% | 99.57% |
| Conclusion: The Product Conforms to BP. |
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