Properties of pyrazole
Thermophysical properties for pyrazole (CAS: 288-13-1). 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
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Open CalculatorIdentification
- AtomsC: 3, H: 4, N: 2
- CAS288-13-1
- FormulaC3H4N2
- ID288-13-1
- InChIC3H4N2/c1-2-4-5-3-1/h1-3H,(H,4,5)
- InChI KeyWTKZEGDFNFYCGP-UHFFFAOYSA-N
- IUPAC Name1h-pyrazole
- Molecular Weight (kg)68.0773
- Phases
- PubChem ID1048
- SMILESC1=CNN=C1
- Synonyms
Physical Properties
- Acentric factor0.287
- Critical pressure (bar)66
- Critical temperature (°C)460.85
- Critical volume (m³/kmol)0.235
- Dipole moment
- Melting temperature (°C)68
- Normal boiling temperature (°C)187
State-dependent Properties
- API gravity26.016
- Compressibility factor0.00281601
- Density (kg/m³)988.132
- Dynamic viscosity (cP)0
- Enthalpy of vaporization (mass) (kJ)761.905
- Enthalpy of vaporization (molar) (kJ/kmol)5.1868e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient
- Kinematic viscosity
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))81
- Molar volume (m³/kmol)0.0688949
- Parachor3.6966e-5
- Poynting correction factor1.00312
- Prandtl number
- Saturation pressure (bar)0.00100577
- Saturation temperature (°C)186.413
- Solubility parameter2.5441e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.989104
- Specific heat capacity (kJ/kg·K)1.18982
- Surface tension0.054388
- Thermal conductivity
- Thermal diffusivity
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)82.5
- Lower flammability limit0.0276993
- Upper flammability limit0.137542
Environmental Properties
- Global warming potential
- Ozone depletion potential