Properties of Palladium (Pd)
Palladium is a chemical element with the symbol (Pd) and atomic number 46. It belongs to the platinum group of metals and is known for its lustrous appearance, high melting point, and ability to absorb large amounts of hydrogen.
The following table provides a comprehensive list of palladium (Pd) properties in both SI and US customary/Imperial units at normal temperature and pressure (NTP).
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Crystal Structure | Face-centered cubic (fcc) |
| Atomic Number | 46 |
| Molar Mass | 106.42 g/mol |
| Density | 12020 kg/m3 |
| Mechanical Properties | Metric |
| Young’s Modulus (E) | 121 GPa |
| Shear Modulus (G) | 43.6 GPa |
| Bulk Modulus (K) | 187 GPa |
| Poisson’s Ratio (ν) | 0.394 |
| Mohs Hardness | 4.75 |
| Thermal Properties | Metric |
| Melting Point | 1554.8 °C |
| Boiling Point | 2963 °C |
| Thermal Conductivity (27°C) | 71.8 W/m·K |
| Specific Heat Capacity (Cp) (25°C) | 244 J/kg·K |
| Coefficient of Thermal Expansion (αL) (25°C) | 1.18×10-5 1/°C |
| Electrical Properties | Metric |
| Electrical Resistivity | 1.073×10-5 Ω·cm |
Unless stated otherwise, all values are taken at room temperature (approximately 20°C or 68°F) and 1 atm pressure. (1 atm = 101,325 Pa)
Related Pages
References: 1) Cardarelli, François. Materials Handbook: A Concise Desktop Reference. Switzerland: Springer International Publishing, 2018. 2) CRC Handbook of Chemistry and Physics, 97th Edition. United Kingdom: CRC Press, 2016-2017. 3) A.M. Howatson, P.G. Lun, J.D. Todd, P.D. Engineering Tables and Data. United Kingdom: University of Oxford, Department of Engineering Science, 2009.