PHYSICAL PROPERTIES OF ANTIMONY
| Atomic number | 51 |
| Atomic weight | 121.76 |
| Density | 6.62 |
| Atomic volume | 18.27 |
| Melting point ºC | 630 |
| Boiling point ºC., at 760 pressure | 1380 |
| Coef. of linear expansion (17 - 100 ºC), per ºC | 0.0000113 |
| Thermal conductivity, cal./cm.2/cm./ºC/sec. | 0.50 |
| Electrical resistivity, microhm/cm. | 2.67 |
| Color | Bluish-white |
| Character | Brittle |