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 |