| Quantity | Value | Units | Value | Units |
| Atomic number | 66 | |||
| Atomic mass | 162.500(1) | g mol-1 | ||
| Density | 8.551 | g cm-3 | ||
| Mean excitation energy | 628.0 | eV | ||
| Minimum ionization | 1.175 | MeV g-1cm2 | 10.05 | MeV cm-1 |
| Nuclear interaction length | 184.4 | g cm-2 | 21.56 | cm |
| Nuclear collision length | 106.7 | g cm-2 | 12.48 | cm |
| Pion interaction length | 211.1 | g cm-2 | 24.69 | cm |
| Pion collision length | 130.5 | g cm-2 | 15.26 | cm |
| Radiation length | 7.32 | g cm-2 | 0.8561 | cm |
| Critical energy | 9.02 | MeV (for e-) | 8.70 | MeV (for e+) |
| Muon critical energy | 167. | GeV | ||
| Molière radius | 17.21 | g cm-2 | 2.013 | cm |
| Plasma energy ℏωp | 53.70 | eV |