Properties of pyridine
Thermophysical properties for pyridine (CAS: 110-86-1). 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: 5, H: 5, N: 1
- CAS110-86-1
- FormulaC5H5N
- ID110-86-1
- InChIC5H5N/c1-2-4-6-5-3-1/h1-5H
- InChI KeyJUJWROOIHBZHMG-UHFFFAOYSA-N
- IUPAC Namepyridine
- Molecular Weight (kg)79.0999
- Phasel
- PubChem ID1049
- SMILESC1=CC=NC=C1
- Synonyms
Physical Properties
- Acentric factor0.24
- Critical pressure (bar)56.5
- Critical temperature (°C)346.85
- Critical volume (m³/kmol)0.247
- Dipole moment2.19
- Melting temperature (°C)-42
- Normal boiling temperature (°C)115.2
State-dependent Properties
- API gravity11.6499
- Compressibility factor0.00330595
- Density (kg/m³)977.975
- Dynamic viscosity (cP)0.886014
- Enthalpy of vaporization (mass) (kJ)507.236
- Enthalpy of vaporization (molar) (kJ/kmol)4.0122e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-4.2099e-7
- Kinematic viscosity9.0597e-7
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))132.688
- Molar volume (m³/kmol)0.0808813
- Parachor3.5434e-5
- Poynting correction factor1.00322
- Prandtl number9.18428
- Saturation pressure (bar)0.0292741
- Saturation temperature (°C)115.234
- Solubility parameter2.1573e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.978937
- Specific heat capacity (kJ/kg·K)1.67747
- Surface tension0.0363516
- Thermal conductivity0.161827
- Thermal diffusivity9.8643e-8
Safety Properties
- Autoignition temperature (°C)482
- Flash point temperature (°C)18
- Lower flammability limit0.017
- Upper flammability limit0.124
Environmental Properties
- Global warming potential
- Ozone depletion potential