Properties of cyclopentene
Thermophysical properties for cyclopentene (CAS: 142-29-0). 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
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Open CalculatorIdentification
- AtomsC: 5, H: 8
- CAS142-29-0
- FormulaC5H8
- ID142-29-0
- InChIC5H8/c1-2-4-5-3-1/h1-2H,3-5H2
- InChI KeyLPIQUOYDBNQMRZ-UHFFFAOYSA-N
- IUPAC Namecyclopentene
- Molecular Weight (kg)68.117
- Phasel
- PubChem ID8882
- SMILESC1CC=CC1
- Synonyms
Physical Properties
- Acentric factor0.194
- Critical pressure (bar)48
- Critical temperature (°C)233.35
- Critical volume (m³/kmol)0.245
- Dipole moment0.19
- Melting temperature (°C)-135
- Normal boiling temperature (°C)44.2
State-dependent Properties
- API gravity50.529
- Compressibility factor0.00363203
- Density (kg/m³)766.575
- Dynamic viscosity (cP)0.331609
- Enthalpy of vaporization (mass) (kJ)408.585
- Enthalpy of vaporization (molar) (kJ/kmol)2.7832e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-3.8840e-7
- Kinematic viscosity4.3259e-7
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))133.556
- Molar volume (m³/kmol)0.088859
- Parachor3.4346e-5
- Poynting correction factor1.00183
- Prandtl number4.9131
- Saturation pressure (bar)0.504402
- Saturation temperature (°C)44.3819
- Solubility parameter1.6891e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.767329
- Specific heat capacity (kJ/kg·K)1.96069
- Surface tension0.021998
- Thermal conductivity0.132336
- Thermal diffusivity8.8047e-8
Safety Properties
- Autoignition temperature (°C)309
- Flash point temperature (°C)-22
- Lower flammability limit0.0148
- Upper flammability limit0.0937731
Environmental Properties
- Global warming potential
- Ozone depletion potential