| grade | for HPLC |
| vapor density | 2.55 (vs air) |
| vapor pressure | 165 mmHg ( 20 °C) |
| assay | ≥99.8% (GC) |
| ≥99.8% | |
| autoignition temp. | 936 °F |
| shelf life | (limited shelf life, expiry date on the label) |
| expl. lim. | 16 % |
| total impurities | ≤0.05% water |
| evapn. residue | ≤0.001% |
| refractive index | n |
| n | |
| bp | 57-58 °C(lit.) |
| mp | −98 °C(lit.) |
| density | 0.934 g/mL at 25 °C |
| solvent strength ε (Al2O3) | 0.60 |
| λ | 1 cm path, H2O reference |
| UV absorption | λ: 255 nm Amax: 1.0 |
| λ: 275 nm Amax: 0.1 | |
| λ: 300 nm Amax: 0.01 |
