| Quantity | Value | Units | Value | Units |
| Atomic number | 13 | |||
| Atomic mass | 26.9815385(7) | g mol-1 | ||
| Density | 2.699 | g cm-3 | ||
| Mean excitation energy | 166.0 | eV | ||
| Minimum ionization | 1.615 | MeV g-1cm2 | 4.358 | MeV cm-1 |
| Nuclear interaction length | 107.2 | g cm-2 | 39.70 | cm |
| Nuclear collision length | 69.7 | g cm-2 | 25.81 | cm |
| Pion interaction length | 136.6 | g cm-2 | 50.62 | cm |
| Pion collision length | 95.6 | g cm-2 | 35.41 | cm |
| Radiation length | 24.01 | g cm-2 | 8.897 | cm |
| Critical energy | 42.70 | MeV (for e-) | 41.48 | MeV (for e+) |
| Muon critical energy | 612. | GeV | ||
| Molière radius | 11.93 | g cm-2 | 4.419 | cm |
| Plasma energy ℏωp | 32.86 | eV | ||
| Melting point | 933.5 | K | 660.3 | C |
| Boiling point @ 1 atm | 2792. | K | 2519. | C |