Melting Point 2040 °C(lit.)
Boiling Point 2980℃ [CRC10]
Water Solubility insoluble H2O; very slightly soluble acids, alkalies [HAW93]
Density 1.06 g/mL at 25 °C
Storage Temp no temp limit
Flash Point -
Stability -
Appearance White powder
Refractive Index 1.771