Properties of protactinium
Thermophysical properties for protactinium (CAS: 7440-13-3). 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
- AtomsPa: 1
- CAS7440-13-3
- FormulaPa
- ID7440-13-3
- InChIPa
- InChI KeyXLROVYAPLOFLNU-UHFFFAOYSA-N
- IUPAC Nameprotactinium
- Molecular Weight (kg)231.036
- Phases
- PubChem ID2.3945e+4
- SMILES[Pa]
- Synonyms
Physical Properties
- Acentric factor
- Critical pressure (bar)0
- Critical temperature (°C)-273.15
- Critical volume (m³/kmol)0
- Dipole moment
- Melting temperature (°C)1572
- Normal boiling temperature (°C)-273.15
State-dependent Properties
- Compressibility factor6.1321e-4
- Density (kg/m³)1.5400e+4
- Dynamic viscosity (cP)0
- Enthalpy of vaporization (mass) (kJ)0
- Enthalpy of vaporization (molar) (kJ/kmol)
- 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))10.3997
- Molar volume (m³/kmol)0.0150023
- Parachor
- Poynting correction factor
- Prandtl number
- Saturation pressure (bar)1.1658e-105
- Saturation temperature (°C)5135.51
- Solubility parameter
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity15.4151
- Specific heat capacity (kJ/kg·K)0.0450134
- Surface tension
- 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
Failed Properties:
- API gravityFailed