Table 6 Substance characteristics relevant for storage, transport, and safety requirements; if not specified otherwise, data was taken from the [43]
From: Thermodynamic and ecological preselection of synthetic fuel intermediates from biogas at farm sites
Substance | Methanol | Ethanol | 1-Butanol | 1-Octanol | DME |
|---|---|---|---|---|---|
Molecular formula | CH4O | C2H6O | C4H10O | C8H18O | C2H6O |
Boiling point (°C) | 65 | 78 | 118 | 195 | −24.8 |
Auto-ignition temperature (°C) | 440 | 400 | 345 | 245 | 240 |
Explosion limits (vol%) | 6–50 | 3.1–27.7 | 1.4–11.3 | – | 2.8–24.4 Mol% |
Explosion limits (g/m3) | 80–665 | 59–532 | 43–350 | – |  |
Volatitlity | high | high | medium | low | – |
Flash Point (°C) | 9 | 12 | 35 | 84 | − 42.2 |
Solubility in water (g/L at 25 °C) [49] | 1000 | 1000 | 68 | 0.54 | n.s. |
UN hazard class [12] | 3 | 3 | 3 | 3 | 2.1 |