Properties of nitrogen oxide (N2O4)
Thermophysical properties for nitrogen oxide (N2O4) (CAS: 10544-72-6). 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
- AtomsN: 2, O: 4
- CAS10544-72-6
- FormulaN2O4
- ID10544-72-6
- InChIN2O4/c3-1(4)2(5)6
- InChI KeyWFPZPJSADLPSON-UHFFFAOYSA-N
- IUPAC Namenitrogen oxide (n2o4)
- Molecular Weight (kg)92.011
- Phaseg
- PubChem ID2.5352e+4
- SMILESO=[N+]([O-])[N+](=O)[O-]
- Synonyms
Physical Properties
- Acentric factor0.8539
- Critical pressure (bar)101.325
- Critical temperature (°C)157.85
- Critical volume (m³/kmol)0.17
- Dipole moment0
- Melting temperature (°C)-9.3
- Normal boiling temperature (°C)21.15
State-dependent Properties
- API gravity-33.988
- Compressibility factor1
- Density (kg/m³)3.76086
- Dynamic viscosity (cP)0.0181011
- Enthalpy of vaporization (mass) (kJ)358.021
- Enthalpy of vaporization (molar) (kJ/kmol)3.2942e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient1.0800e-13
- Kinematic viscosity4.8130e-6
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))81.0886
- Molar volume (m³/kmol)24.4654
- Parachor2.5731e-5
- Poynting correction factor0.999507
- Prandtl number1.15092
- Saturation pressure (bar)1.20386
- Saturation temperature (°C)21.2529
- Solubility parameter2.1802e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity3.17522
- Specific heat capacity (kJ/kg·K)0.881293
- Surface tension0.0257118
- Thermal conductivity0.0138605
- Thermal diffusivity4.1819e-6
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)-273.15
- Lower flammability limit3.19343
- Upper flammability limit0.234322
Environmental Properties
- Global warming potential
- Ozone depletion potential