| Density in liquid Phase Density of Gas | at 15°C in kg/l at 0°C 1 bar in kg/Nm³ | 0,51 2,011 |
| Relation of density to air (air=1) | 1,55 | |
| Specific liquid volume of 1 kg propane gas | at 0°C in l at 15°C in l | 1,88 1,96 |
| Volume of 1 kg Gas (at 1 bar) | at 0°C in l at 15°C in l | 508 535 |
| Steam pressure in bar excess pressure | at 20°C at 0°C at -10°C | 7,353 3,703 2,424 |
| Boiling-point | in °C at 1,013 bar | -42 |
| Heat of vaporisation at °C | kW/kg | 0,1O5 |
| Lower heating value Hu 0°C 1 bar | kWh/kg kWh/m³ | 12,87 25,99 |
| Wobbe index Wu related to Hu (kWh) | 20,79 | |
| Flame temperature in°C | with air with oxygen | 1925 2850 |
| Ignition temperature with air | °C | 510 |
| Ignition limits (explosion limits) | with air in Vol. % Gas | 2,1-9,5 |
| Combustion speed with air | cm/sec | 42 |
| Air required for burning in m³ | per m³ per kg | 23,9 12,1 |
| Oxygen required in m³ | per m³ per kg | 5,O 2,6 |
| Volume of all products of combustion, moist in m³ | per m³ Gas | 26 |
| Thawing point of the combustion products | °C | 55 |
| CO2 max. (Vol.%) | 13,8 |
