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Colorless transparent liquid with pungent odor. The melting point is 2-4°C, the boiling point is 90.2°C, the relative density is 1.073 (20/4°C), the refractive index is 1.3697, the flash point (open cup) is 21.7°C, and the viscosity is 0.664mPa·s. Soluble in organic solvents such as ethanol and ether, insoluble in water.
| Item | Index | |
| Premium | First Grade | |
| Content%≥ | 99.95 | 99.9 |
| Methanol Content,% ≤ | 0.01 | 0.02 |
| Water Content,% ≤ | 0.01 | 0.1 |
| Chroma(pt-co)no ≤ | 5 | 10 |
| Acidity(calculated by H+)mmol/100g ≤ | 0.01 | 0.02 |
| Density （20℃ G/cm³） | 1.071±0.005 | |
| Appearance | Colourless Transparent Liquid Without Mechanical |
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