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Product Description:
English name: BERYLLIUM OXIDE
CAS number: 1304-56-9
Molecular formula: BeO
Molecular weight: 25.01
EINECS number: 215-133-1
MDL No. : MFCD00003457
Stats
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
Morphology Powder
Specific gravity 3.01
Color white
Insoluble in water. Slowly soluble in concentrated acids, alkali hydroxides. Insoluble in water. Slowly soluble in concentrated acids, alkali hydroxides
Hexagonal, Wurtzite (Zincite) Structure-Space Group P 63mc
Merck14, 1172
Exposure limit ACGIH: TWA 0.00005 mg/m3
OSHA: Ceiling 2 μg/m3
NIOSH: IDLH 4 mg/m3; Ceiling 0.0005 mg/m3
Stability Stable.
Safety information
hazard symbol (GHS)GHS hazard pictogramsGHS hazard pictograms
GHS06,GHS08
Danger
Hazard Description H301-H315-H317-H319-H330-H335-H350i-H372
Precautions P202-P260-P280-P302+P352-P304+P340+P310-P305+P351+P338
Dangerous goods mark T+
Hazard category code 49-25-26-36/37/38-43-48/23
Safety Note 53-45
Dangerous Goods Transport Code UN 1566 6.1/PG 2
WGK Germany1
RTECS number DS4025000
TSCAYes
Danger level 6.1
Packaging Category II
China
