Melting Point
1700°C
Boiling Point
1185°C (estimate)
Water Solubility
Soluble in acids. insoluble in water.
Density
4.1 g/mL at 25 °C (lit.)
Storage Temp
-
Flash Point
-
Stability
Stable. May react with water to give toxic hydrogen sulfide. Incompatible with acids, strong oxidizing agents. Air and moisture sensitive.
Appearance
white to faint yellow powder
Refractive Index
-