Properties of pyrrole
Thermophysical properties for pyrrole (CAS: 109-97-7). 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
Need properties at a different state? Use our interactive calculator.
Open CalculatorIdentification
- AtomsC: 4, H: 5, N: 1
- CAS109-97-7
- FormulaC4H5N
- ID109-97-7
- InChIC4H5N/c1-2-4-5-3-1/h1-5H
- InChI KeyKAESVJOAVNADME-UHFFFAOYSA-N
- IUPAC Name1h-pyrrole
- Molecular Weight (kg)67.0892
- Phasel
- PubChem ID8027
- SMILESC1=CNC=C1
- Synonyms
Physical Properties
- Acentric factor0.3255
- Critical pressure (bar)57
- Critical temperature (°C)366.85
- Critical volume (m³/kmol)0.222
- Dipole moment1.84
- Melting temperature (°C)-23.2
- Normal boiling temperature (°C)129.74
State-dependent Properties
- API gravity23.0732
- Compressibility factor0.00302109
- Density (kg/m³)907.689
- Dynamic viscosity (cP)1.21679
- Enthalpy of vaporization (mass) (kJ)667.905
- Enthalpy of vaporization (molar) (kJ/kmol)4.4809e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-5.0008e-7
- Kinematic viscosity1.3405e-6
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))112.258
- Molar volume (m³/kmol)0.0739121
- Parachor3.2519e-5
- Poynting correction factor1.00298
- Prandtl number11.7755
- Saturation pressure (bar)0.0139513
- Saturation temperature (°C)126.324
- Solubility parameter2.3931e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.908582
- Specific heat capacity (kJ/kg·K)1.67326
- Surface tension0.0370172
- Thermal conductivity0.172901
- Thermal diffusivity1.1384e-7
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)20.6647
- Lower flammability limit0.0221382
- Upper flammability limit0.118206
Environmental Properties
- Global warming potential
- Ozone depletion potential