Properties of nitrogen dioxide
Thermophysical properties for nitrogen dioxide (CAS: 10102-44-0). 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: 1, O: 2
- CAS10102-44-0
- FormulaNO2
- ID10102-44-0
- InChINO2/c2-1-3
- InChI KeyJCXJVPUVTGWSNB-UHFFFAOYSA-N
- IUPAC Namenitrogen dioxide
- Molecular Weight (kg)46.0055
- Phaseg
- PubChem ID3.0326e+6
- SMILES[O]N=O
- Synonyms
Physical Properties
- Acentric factor0.8555
- Critical pressure (bar)101.325
- Critical temperature (°C)157.85
- Critical volume (m³/kmol)0.082
- Dipole moment0.32
- Melting temperature (°C)-9.3
- Normal boiling temperature (°C)21.15
State-dependent Properties
- API gravity-34.7382
- Compressibility factor1
- Density (kg/m³)1.88043
- Dynamic viscosity (cP)0.0133019
- Enthalpy of vaporization (mass) (kJ)720.276
- Enthalpy of vaporization (molar) (kJ/kmol)3.3137e+4
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient2.3281e-13
- Kinematic viscosity7.0738e-6
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))37.6176
- Molar volume (m³/kmol)24.4654
- Parachor1.2908e-5
- Poynting correction factor0.999746
- Prandtl number0.883555
- Saturation pressure (bar)1.20978
- Saturation temperature (°C)21.163
- Solubility parameter3.0957e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity1.58761
- Specific heat capacity (kJ/kg·K)0.817676
- Surface tension0.0263712
- Thermal conductivity0.0123101
- Thermal diffusivity8.0061e-6
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)-273.15
- Lower flammability limit1.02319
- Upper flammability limit0.232863
Environmental Properties
- Global warming potential
- Ozone depletion potential