Properties of polonium
Thermophysical properties for polonium (CAS: 7440-08-6). 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
Need properties at a different state? Use our interactive calculator.
Open CalculatorIdentification
- AtomsPo: 1
- CAS7440-08-6
- FormulaPo
- ID7440-08-6
- InChIPo
- InChI KeyHZEBHPIOVYHPMT-UHFFFAOYSA-N
- IUPAC Namepolonium
- Molecular Weight (kg)209
- Phases
- PubChem ID6.3281e+6
- SMILES[Po]
- Synonyms
Physical Properties
- Acentric factor0.011
- Critical pressure (bar)2515.3
- Critical temperature (°C)2739.93
- Critical volume (m³/kmol)0.02988
- Dipole moment
- Melting temperature (°C)254
- Normal boiling temperature (°C)962
State-dependent Properties
- API gravity-125.545
- Compressibility factor9.2855e-4
- Density (kg/m³)9200
- Dynamic viscosity (cP)0
- Enthalpy of vaporization (mass) (kJ)712.788
- Enthalpy of vaporization (molar) (kJ/kmol)1.4897e+5
- 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))10.3941
- Molar volume (m³/kmol)0.0227174
- Parachor9.0995e-6
- Poynting correction factor1.00036
- Prandtl number
- Saturation pressure (bar)1.6831e-21
- Saturation temperature (°C)966.407
- Solubility parameter1.2892e+5
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity9.20905
- Specific heat capacity (kJ/kg·K)0.0497326
- Surface tension1.13426
- Thermal conductivity
- 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