

Factory inspection report
| Raw material name: | n-Heptane | date: | 2021-4-15 |
| Test items | Control Indicators | Test Results | |
| Appearance | Colorless and transparent liquid | clear and transparent | |
| Density, g/cm3 | Approximately 0.680-0.690 | 0.680(20℃) | |
| Color | ≤10 | 5 | |
| Refractive index | Approximately 1.3900 | 1.3870(20℃) | |
| Distillation process | Initial boiling point | 98℃ | 98℃ |
| Dry distillation point | 99℃ | 99℃ | |
| Water content, %W | ≤0.05% | 0.03% | |
| Smell | It has a slight soybean oil smell | normal | |
| Acid value (in acetic acid %W) | ≤0.02% | √ | |
| Non-volatile substances | ≤5mg/kg | 3 | |
| Water solubility test | / | / | |
| Alcohol solubility test | / | / | |
| Element | 》99.5% | 99.67% | |
| Other | |||
| Inspection result: Qualified | |||
Reviewer:
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