Properties of sodium
Thermophysical properties for sodium (CAS: 7440-23-5). 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
- AtomsNa: 1
- CAS7440-23-5
- FormulaNa
- ID7440-23-5
- InChINa
- InChI KeyKEAYESYHFKHZAL-UHFFFAOYSA-N
- IUPAC Namesodium
- Molecular Weight (kg)22.9898
- Phases
- PubChem ID5.3605e+6
- SMILES[Na]
- Synonyms
Physical Properties
- Acentric factor-0.1055
- Critical pressure (bar)354.64
- Critical temperature (°C)2299.85
- Critical volume (m³/kmol)0.116
- Dipole moment0
- Melting temperature (°C)97.794
- Normal boiling temperature (°C)882.94
State-dependent Properties
- API gravity20.9931
- Compressibility factor9.6876e-4
- Density (kg/m³)969.99
- Dynamic viscosity (cP)0
- Enthalpy of vaporization (mass) (kJ)3303.72
- Enthalpy of vaporization (molar) (kJ/kmol)7.5952e+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))28.1543
- Molar volume (m³/kmol)0.023701
- Parachor1.6675e-5
- Poynting correction factor1.00101
- Prandtl number
- Saturation pressure (bar)4.6372e-16
- Saturation temperature (°C)906.578
- Solubility parameter5.4430e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity0.970945
- Specific heat capacity (kJ/kg·K)1.22464
- Surface tension0.203557
- Thermal conductivity142.026
- Thermal diffusivity
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)-273.15
- Lower flammability limit
- Upper flammability limit
Environmental Properties
- Global warming potential
- Ozone depletion potential