| Quantity | Value | Units | Value | Units |
| Atomic number | 49 | |||
| Atomic mass | 114.818(3) | g mole-1 | ||
| Specific gravity | 7.310 | g cm-3 | ||
| Mean excitation energy | 488.0 | eV | ||
| Minimum ionization | 1.278 | MeV g-1cm2 | 9.339 | MeV cm-1 |
| Nuclear collision length | 97.4 | g cm-2 | 13.32 | cm |
| Nuclear interaction length | 164.9 | g cm-2 | 22.56 | cm |
| Pion collision length | 121.7 | g cm-2 | 16.65 | cm |
| Pion interaction length | 192.6 | g cm-2 | 26.34 | cm |
| Radiation length | 8.85 | g cm-2 | 1.211 | cm |
| Critical energy | 12.06 | MeV (for e-) | 11.65 | MeV (for e+) |
| Molière radius | 15.56 | g cm-2 | 2.129 | cm |
| Plasma energy ℏωp | 50.90 | eV | ||
| Muon critical energy | 210. | GeV |