Water Solubilityreacts slowly with cold dilute HCl, dilute HNO3, hot dilute H2SO4; readily with conc HCl, aqua regia [MER06]
Density7.310 g/mL at 25 °C (lit.)
Storage Tempno restrictions.
Flash Point2270°C
StabilityStable. Incompatible with strong oxidizing agents. Highly flammable as a powder. Can, in powder form, lead to dust explosions. Moisture sensitive.