Dark green hexagonal crystal or amorphous olive-green powder with metallic sheen.
Chemical Formula: Cr₂O₃ Molecular weight: 151.99.
Specific gravity: 5.21g/cm³ Mons' hardness: 8.5-9
Melting point: 2226±25℃
Insoluble in water or acid. Soluble in hot alkali metal bromate solution.
Extremely stable against light, air, high temperature and corrosive gases.
High covering power.
Chromium Oxide Green is mainly used in four field: Metallurgy; Refractory
matter; Pigment (Ceramic, Paint etc.); Grinding materials. Also can be used in
the new field of surface melt blowing of the metal and ceramic; producing
chromium compound (carbon, nitrogen etc.)