Melting Point 1114°C
 Boiling Point 1281°C (estimate)
 Water Solubility Soluble in water (0.00086g/L) and acid. Insoluble in alcohol, and potassium hydroxide.
 Density 7.5 g/mL at 25 °C(lit.)
 Storage Temp 2-8°C
 Flash Point -
 Stability Stable. Incompatible with oxidizing agents, acids, water.
 Appearance White Metallic Crystals, Powder Lump
 Refractive Index 3.921