Properties of pyrazine
Thermophysical properties for pyrazine (CAS: 290-37-9). 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
- CAS290-37-9
- FormulaC4H4N2
- ID290-37-9
- InChIC4H4N2/c1-2-6-4-3-5-1/h1-4H
- InChI KeyKYQCOXFCLRTKLS-UHFFFAOYSA-N
- IUPAC Namepyrazine
- Molecular Weight (kg)80.088
- Phases
- PubChem ID9261
- SMILESC1=CN=CC=N1
- Synonyms
Physical Properties
- Acentric factor0.2392
- Critical pressure (bar)67
- Critical temperature (°C)353.85
- Critical volume (m³/kmol)0.229
- Dipole moment0
- Melting temperature (°C)55
- Normal boiling temperature (°C)116.3
State-dependent Properties
- API gravity4.08549
- Compressibility factor0.00286738
- Density (kg/m³)1141.64
- Dynamic viscosity (cP)0
- Enthalpy of vaporization (mass) (kJ)491.457
- Enthalpy of vaporization (molar) (kJ/kmol)3.9360e+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))89.1922
- Molar volume (m³/kmol)0.0701517
- Parachor3.4592e-5
- Poynting correction factor1.00308
- Prandtl number
- Saturation pressure (bar)0.0297389
- Saturation temperature (°C)113.199
- Solubility parameter2.1823e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity1.14276
- Specific heat capacity (kJ/kg·K)1.11368
- Surface tension0.0393119
- Thermal conductivity
- Thermal diffusivity
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)-273.15
- Lower flammability limit0.0227712
- Upper flammability limit0.120637
Environmental Properties
- Global warming potential
- Ozone depletion potential