Properties of hafnium
Thermophysical properties for hafnium (CAS: 7440-58-6). 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
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Open CalculatorIdentification
- AtomsHf: 1
- CAS7440-58-6
- FormulaHf
- ID7440-58-6
- InChIHf
- InChI KeyVBJZVLUMGGDVMO-UHFFFAOYSA-N
- IUPAC Namehafnium
- Molecular Weight (kg)178.49
- Phases
- PubChem ID2.3986e+4
- SMILES[Hf]
- Synonyms
Physical Properties
- Acentric factor7.1561e-7
- Critical pressure (bar)1706.45
- Critical temperature (°C)1.6589e+4
- Critical volume (m³/kmol)0
- Dipole moment
- Melting temperature (°C)2233
- Normal boiling temperature (°C)4600
State-dependent Properties
- API gravity-119.72
- Compressibility factor5.4854e-4
- Density (kg/m³)1.3300e+4
- Dynamic viscosity (cP)0
- Enthalpy of vaporization (mass) (kJ)4417.23
- Enthalpy of vaporization (molar) (kJ/kmol)7.8843e+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))25.7
- Molar volume (m³/kmol)0.0134203
- Parachor1.7318e-5
- Poynting correction factor1.00061
- Prandtl number
- Saturation pressure (bar)8.1353e-149
- Saturation temperature (°C)6805.27
- Solubility parameter2.2987e+5
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity13.3131
- Specific heat capacity (kJ/kg·K)0.143986
- Surface tension1.83328
- 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