Properties of propane
Thermophysical properties for propane (CAS: 74-98-6). Use the selector below to view properties in different unit systems.
Calculation Conditions
The following state-dependent properties were calculated at these standard conditions.
Temperature
25 °C
Pressure
1.01325 bar
Need properties at a different state? Use our interactive calculator.
Open CalculatorIdentification
- AtomsC: 3, H: 8
- CAS74-98-6
- FormulaC3H8
- ID74-98-6
- InChIC3H8/c1-3-2/h3H2,1-2H3
- InChI KeyATUOYWHBWRKTHZ-UHFFFAOYSA-N
- IUPAC Namepropane
- Molecular Weight (kg)44.0956
- Phaseg
- PubChem ID6334
- SMILESCCC
- Synonyms
Physical Properties
- Acentric factor0.1521
- Critical pressure (bar)42.512
- Critical temperature (°C)96.74
- Critical volume (m³/kmol)0.2
- Dipole moment0.08
- Melting temperature (°C)-187.65
- Normal boiling temperature (°C)-42.1138
State-dependent Properties
- Compressibility factor1
- Density (kg/m³)1.80237
- Dynamic viscosity (cP)0.00812263
- Enthalpy of vaporization (mass) (kJ)335.736
- Enthalpy of vaporization (molar) (kJ/kmol)1.4804e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient1.1942e-13
- Kinematic viscosity4.5066e-6
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))73.3361
- Molar volume (m³/kmol)24.4654
- Parachor
- Poynting correction factor
- Prandtl number0.737802
- Saturation pressure (bar)9.52079
- Saturation temperature (°C)-42.1139
- Solubility parameter
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity1.5217
- Specific heat capacity (kJ/kg·K)1.66312
- Surface tension0.00702362
- Thermal conductivity0.0183096
- Thermal diffusivity6.1082e-6
Safety Properties
- Autoignition temperature (°C)450
- Flash point temperature (°C)-273.15
- Lower flammability limit0.017
- Upper flammability limit0.109
Environmental Properties
- Global warming potential0.072
- Ozone depletion potential
Failed Properties:
- API gravityFailed