Melting Point 231.9 °C (lit.)
Boiling Point 2270 °C (lit.)
Water Solubility reacts slowly with cold dilute HCl, dilute HNO3, hot dilute H2SO4; readily with conc HCl, aqua regia [MER06]
Density 7.310 g/mL at 25 °C (lit.)
Storage Temp no restrictions.
Flash Point 2270°C
Stability Stable. Incompatible with strong oxidizing agents. Highly flammable as a powder. Can, in powder form, lead to dust explosions. Moisture sensitive.
Appearance Blue-white wire
Refractive Index -