Properties of francium
Thermophysical properties for francium (CAS: 7440-73-5). 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
- AtomsFr: 1
- CAS7440-73-5
- FormulaFr
- ID7440-73-5
- InChIFr
- InChI KeyKLMCZVJOEAUDNE-UHFFFAOYSA-N
- IUPAC Namefrancium
- Molecular Weight (kg)223
- Phasel
- PubChem ID6.3281e+6
- SMILES[Fr]
- Synonyms
Physical Properties
- Acentric factor0.682
- Critical pressure (bar)1790.2
- Critical temperature (°C)1333.31
- Critical volume (m³/kmol)0.02238
- Dipole moment
- Melting temperature (°C)21
- Normal boiling temperature (°C)673
State-dependent Properties
- API gravity-127.32
- Compressibility factor2.6983e-4
- Density (kg/m³)3.3780e+4
- Dynamic viscosity (cP)21.2009
- Enthalpy of vaporization (mass) (kJ)1071.49
- Enthalpy of vaporization (molar) (kJ/kmol)2.3894e+5
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient-4.3672e-7
- Kinematic viscosity6.2761e-7
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))14.5197
- Molar volume (m³/kmol)0.0066015
- Parachor6.7122e-6
- Poynting correction factor1.00027
- Prandtl number2.36877
- Saturation pressure (bar)3.3695e-23
- Saturation temperature (°C)629.758
- Solubility parameter1.8926e+5
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity33.8134
- Specific heat capacity (kJ/kg·K)0.0651108
- Surface tension1.06762
- Thermal conductivity0.582754
- Thermal diffusivity2.6495e-7
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