About the sample | This is a commercial sample and has been donated from the private collection of Metodija Najdoski. |
| Z | 5 |
| ρ / g/cm3 | 2.46 |
| tt, mp / °C | 2076 |
| tv, bp / °C | 3927 |
| Ar | 10.81 |
| Electronegativity, (X) | 2.04 |
| Crystal structure | Rhombohedral (trigonal) |
| Extended information | https://www.webelements.com/boron/ |