Properties of allene
Thermophysical properties for allene (CAS: 463-49-0). 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: 4
- CAS463-49-0
- FormulaC3H4
- ID463-49-0
- InChIC3H4/c1-3-2/h1-2H2
- InChI KeyIYABWNGZIDDRAK-UHFFFAOYSA-N
- IUPAC Namepropa-1,2-diene
- Molecular Weight (kg)40.0639
- Phaseg
- PubChem ID1.0037e+4
- SMILESC=C=C
- Synonyms
Physical Properties
- Acentric factor0.115
- Critical pressure (bar)52.156
- Critical temperature (°C)124.85
- Critical volume (m³/kmol)0.169492
- Dipole moment0
- Melting temperature (°C)-136.2
- Normal boiling temperature (°C)-32.2758
State-dependent Properties
- API gravity106.928
- Compressibility factor1
- Density (kg/m³)1.63757
- Dynamic viscosity (cP)0.00885201
- Enthalpy of vaporization (mass) (kJ)423.445
- Enthalpy of vaporization (molar) (kJ/kmol)1.6965e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient1.4861e-13
- Kinematic viscosity5.4056e-6
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))58.9285
- Molar volume (m³/kmol)24.4654
- Parachor2.2277e-5
- Poynting correction factor0.983339
- Prandtl number0.732644
- Saturation pressure (bar)7.0267
- Saturation temperature (°C)-32.2758
- Solubility parameter1.4462e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity1.38257
- Specific heat capacity (kJ/kg·K)1.47087
- Surface tension0.0105814
- Thermal conductivity0.0177714
- Thermal diffusivity7.3782e-6
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)-273.15
- Lower flammability limit0.0265868
- Upper flammability limit0.134028
Environmental Properties
- Global warming potential
- Ozone depletion potential