Molecular formula Cr2O3, relative molecular weight 151.99, this product is hexagonal crystal extraction series or amorphous olive green powder, with metallic luster.Specific gravity 5.21, melting point 2266±25, boiling point 4000.Insoluble in water and acid, soluble in hot alkaline bromide solution.Very stable to light, atmosphere, high temperature and corrosive gases, good hiding power, magnetic.
