Properties of technetium
Thermophysical properties for technetium (CAS: 7440-26-8). 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
- AtomsTc: 1
- CAS7440-26-8
- FormulaTc
- ID7440-26-8
- InChITc
- InChI KeyGKLVYJBZJHMRIY-UHFFFAOYSA-N
- IUPAC Nametechnetium
- Molecular Weight (kg)98
- Phases
- PubChem ID2.3957e+4
- SMILES[Tc]
- Synonyms
Physical Properties
- Acentric factor7.1561e-7
- Critical pressure (bar)1.0183e+4
- Critical temperature (°C)1.7128e+4
- Critical volume (m³/kmol)0.04262
- Dipole moment
- Melting temperature (°C)2157
- Normal boiling temperature (°C)4262
State-dependent Properties
- API gravity-113.808
- Compressibility factor3.6415e-4
- Density (kg/m³)1.1000e+4
- Dynamic viscosity (cP)0
- Enthalpy of vaporization (mass) (kJ)8301.2
- Enthalpy of vaporization (molar) (kJ/kmol)8.1352e+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))24.6648
- Molar volume (m³/kmol)0.00890909
- Parachor
- Poynting correction factor1.0005
- Prandtl number
- Saturation pressure (bar)5.0706e-153
- Saturation temperature (°C)6167.63
- Solubility parameter2.5713e+5
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity11.0108
- Specific heat capacity (kJ/kg·K)0.251682
- 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