Properties of pyridazine
Thermophysical properties for pyridazine (CAS: 289-80-5). 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: 4, N: 2
- CAS289-80-5
- FormulaC4H4N2
- ID289-80-5
- InChIC4H4N2/c1-2-4-6-5-3-1/h1-4H
- InChI KeyPBMFSQRYOILNGV-UHFFFAOYSA-N
- IUPAC Namepyridazine
- Molecular Weight (kg)80.088
- Phasel
- PubChem ID9259
- SMILESC1=CC=NN=C1
- Synonyms
Physical Properties
- Acentric factor0.204
- Critical pressure (bar)54.9
- Critical temperature (°C)500.85
- Critical volume (m³/kmol)0.274
- Dipole moment
- Melting temperature (°C)-8
- Normal boiling temperature (°C)208
State-dependent Properties
- API gravity24.5477
- Compressibility factor0.00363406
- Density (kg/m³)900.788
- Dynamic viscosity (cP)0.497027
- Enthalpy of vaporization (mass) (kJ)623.215
- Enthalpy of vaporization (molar) (kJ/kmol)4.9912e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-6.1900e-7
- Kinematic viscosity5.5177e-7
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))117.77
- Molar volume (m³/kmol)0.0889088
- Parachor4.1745e-5
- Poynting correction factor1.00364
- Prandtl number3.8927
- Saturation pressure (bar)7.5446e-4
- Saturation temperature (°C)206.9
- Solubility parameter2.3098e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.901674
- Specific heat capacity (kJ/kg·K)1.47051
- Surface tension0.0478963
- Thermal conductivity0.187757
- Thermal diffusivity1.4174e-7
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)85
- Lower flammability limit0.0219629
- Upper flammability limit0.117522
Environmental Properties
- Global warming potential
- Ozone depletion potential