Item | quality index | test method |
Appearance | Colorless or light yellow transparent liquid | visual inspection |
Purity% | ≥98.0 | gas chromatographic method |
Density (20℃), g/cm3 | 0.95—0.98 | GB/T1884 |
Flash point (closed cup method) ℃ | ≥70 | GB/T261 |
Moisture, % (m/m) | ≥0.05 | GB/T260 |
Acidity, mgKOH / 100 ml | ≤0.6 | GB/T258 |