Properties of cyclopentadiene
Thermophysical properties for cyclopentadiene (CAS: 542-92-7). 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
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Open CalculatorIdentification
- AtomsC: 5, H: 6
- CAS542-92-7
- FormulaC5H6
- ID542-92-7
- InChIC5H6/c1-2-4-5-3-1/h1-4H,5H2
- InChI KeyZSWFCLXCOIISFI-UHFFFAOYSA-N
- IUPAC Namecyclopenta-1,3-diene
- Molecular Weight (kg)66.1011
- Phasel
- PubChem ID7612
- SMILESC1C=CC=C1
- Synonyms
Physical Properties
- Acentric factor0.1898
- Critical pressure (bar)46.9996
- Critical temperature (°C)226.85
- Critical volume (m³/kmol)0.232
- Dipole moment0.42
- Melting temperature (°C)-91.1
- Normal boiling temperature (°C)41
State-dependent Properties
- API gravity48.3128
- Compressibility factor0.00348198
- Density (kg/m³)775.944
- Dynamic viscosity (cP)0.253325
- Enthalpy of vaporization (mass) (kJ)405.077
- Enthalpy of vaporization (molar) (kJ/kmol)2.6776e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-4.3400e-7
- Kinematic viscosity3.2647e-7
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))113.669
- Molar volume (m³/kmol)0.085188
- Parachor3.2839e-5
- Poynting correction factor1.00147
- Prandtl number3.3711
- Saturation pressure (bar)0.585967
- Saturation temperature (°C)41.5526
- Solubility parameter1.6888e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.776707
- Specific heat capacity (kJ/kg·K)1.71962
- Surface tension0.0217762
- Thermal conductivity0.129222
- Thermal diffusivity9.6845e-8
Safety Properties
- Autoignition temperature (°C)465
- Flash point temperature (°C)-50
- Lower flammability limit0.0176145
- Upper flammability limit0.0990642
Environmental Properties
- Global warming potential
- Ozone depletion potential