Melting point: |
2575°C |
Boiling point: |
4300°C |
Density |
3.01 g/mL at 25 °C(lit.) |
refractive index |
1.733 |
Flash point: |
4300°C |
solubility |
insoluble in H2O; slightly soluble in acid solutions, alkaline solutions |
form |
Powder |
Specific Gravity |
3.01 |
color |
white |
Water Solubility |
Insoluble in water. Slowly soluble in concentrated acids, alkali hydroxides |
Crystal Structure |
Hexagonal, Wurtzite (Zincite) Structure - Space Group P 63mc |
crystal system |
Six sides |
Merck |
14,1172 |
Space group |
P63mc |
Lattice constant |
a/nm | b/nm | c/nm | α/o | β/o | γ/o | V/nm3 | 0.2699 | 0.2699 | 0.4385 | 90 | 90 | 120 | 0.0277 |
|
Exposure limits |
ACGIH: TWA 0.00005 mg/m3 OSHA: Ceiling 2 μg/m3 NIOSH: IDLH 4 mg/m3; Ceiling 0.0005 mg/m3 |
Stability: |
Stable. |
CAS DataBase Reference |
1304-56-9(CAS DataBase Reference) |
EPA Substance Registry System |
Beryllium oxide (1304-56-9) |