Chemical Properties
Melting point
2375 °C
Density
5.06 g/mL at 25 °C(lit.)
form
powder
color
Gray to dark gray or black
Specific Gravity
4.8
Odor
odorless
Water Solubility
Soluble in hot sulfuric acid, and aquaregia. Insoluble in water, concentrated sulfuric acid and dilute acid.
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