Properties of nitrous oxide
Thermophysical properties for nitrous oxide (CAS: 10024-97-2). 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: 1
- CAS10024-97-2
- FormulaN2O
- ID10024-97-2
- InChIN2O/c1-2-3
- InChI KeyGQPLMRYTRLFLPF-UHFFFAOYSA-N
- IUPAC Namenitrous oxide
- Molecular Weight (kg)44.0128
- Phaseg
- PubChem ID948
- SMILESN#[N+][O-]
- Synonyms
Physical Properties
- Acentric factor0.162
- Critical pressure (bar)72.45
- Critical temperature (°C)36.37
- Critical volume (m³/kmol)0.097371
- Dipole moment0.17
- Melting temperature (°C)-90.805
- Normal boiling temperature (°C)-88.4661
State-dependent Properties
- Compressibility factor1
- Density (kg/m³)1.79898
- Dynamic viscosity (cP)0.0148445
- Enthalpy of vaporization (mass) (kJ)147.577
- Enthalpy of vaporization (molar) (kJ/kmol)6495.27
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient2.2696e-13
- Kinematic viscosity8.2516e-6
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))38.586
- Molar volume (m³/kmol)24.4654
- Parachor
- Poynting correction factor
- Prandtl number0.678173
- Saturation pressure (bar)56.5179
- Saturation temperature (°C)-88.4661
- Solubility parameter
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity1.51884
- Specific heat capacity (kJ/kg·K)0.876699
- Surface tension0.00132681
- Thermal conductivity0.01919
- Thermal diffusivity1.2167e-5
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)-273.15
- Lower flammability limit0.431708
- Upper flammability limit0.229836
Environmental Properties
- Global warming potential289
- Ozone depletion potential
Failed Properties:
- API gravityFailed