Properties of platinum
Thermophysical properties for platinum (CAS: 7440-06-4). 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
- AtomsPt: 1
- CAS7440-06-4
- FormulaPt
- ID7440-06-4
- InChIPt
- InChI KeyBASFCYQUMIYNBI-UHFFFAOYSA-N
- IUPAC Nameplatinum
- Molecular Weight (kg)195.078
- Phases
- PubChem ID2.3939e+4
- SMILES[Pt]
- Synonyms
Physical Properties
- Acentric factor2.69289
- Critical pressure (bar)8105.9
- Critical temperature (°C)6709.85
- Critical volume (m³/kmol)0.7591
- Dipole moment
- Melting temperature (°C)1768.2
- Normal boiling temperature (°C)3825
State-dependent Properties
- API gravity-124.35
- Compressibility factor3.7088e-4
- Density (kg/m³)2.1499e+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))25.8645
- Molar volume (m³/kmol)0.00907367
- Parachor1.2118e-5
- Poynting correction factor1.0004
- Prandtl number
- Saturation pressure (bar)2.9593e-78
- Saturation temperature (°C)4409.72
- Solubility parameter
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity21.5205
- Specific heat capacity (kJ/kg·K)0.132585
- Surface tension2.27036
- Thermal conductivity71.5987
- 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