Chemical composition of chrome oxide pigment

Chromium oxide green, also known as chromium trioxide (chemical formula Cr2O3). It belongs to the hexagonal crystal system or amorphous olive green powder, and some grades have a metallic luster.Resistant to high temperatures, sun exposure, insoluble in water, difficult to dissolve in acid, relatively stable in the atmosphere, and has no effect on general concentrations of acids and bases, as well as gases such as sulfur dioxide and hydrogen sulfide.