| M Formula: | BeF2 |
| Properties: | |
| Hygroscopic solid. Mp 800C, d 1.986. Readily soluble in water; sparingly soluble in alcohol. | |
| Derivation: | |
| By the thermal decomposition (900–950C) of ammonium beryllium fluoride. | |
| Hazard: | |
| A known carcinogen. Toxic by inhalation and ingestion. TLV: 2.5 mg(F)/m3. | |
| Use: | |
| Production of beryllium metal by reduction with magnesium metal; nuclear reactors; glass manufacturing. | |