physical properties：
| purity wt% | 99.5% |
| Hydroperoxide Number mg/kg as Oxygen ASTM D3703 | max 5 |
| Melting point | -107 °C |
| Boiling point | 98-99 °C(lit.) |
| density | 0.692 g/mL at 25 °C(lit.) |
| vapor density | 3.9 (vs air) |
| vapor pressure | 41 mm Hg ( 21 °C) |
| refractive index | n20/D 1.391(lit.) |
| Fp | 18 °F |
| storage temp. | Store at +5°C to +30°C. |
| solubility | water: insoluble |
| pka | >14 (Schwarzenbach et al., 1993) |
| form | Liquid |
| color | APHA: ≤10 |
| Specific Gravity | 0.692 (20/4℃) |
| Relative polarity | -0.4 |
| Odor Threshold | 0.11ppm |
| explosive limit | 1%(V) |
| Water Solubility | INSOLUBLE |
| FreezingPoint | -107.52℃ |
