Chromoxide

Chromoxide is a chemical compound with the formula CrO2. It is a black, crystalline solid that is insoluble in water but soluble in acids. Chromoxide is a member of the group of compounds known as transition metal oxides, which are characterized by the presence of a metal atom in a high oxidation state bonded to oxygen.

The compound was first synthesized in 1848 by the French chemist Henri Sainte-Claire Deville. It is typically prepared by the thermal decomposition of chromium(III) oxide in a hydrogen atmosphere. Chromoxide is used as a catalyst in various chemical reactions, including the production of synthetic rubber and the oxidation of alcohols to aldehydes and ketones. It is also used in the manufacture of pigments and as a component in certain types of batteries.

Chromoxide is toxic and can cause skin and eye irritation. It is also a potent carcinogen, and exposure should be avoided. The compound is classified as a hazardous substance and must be handled with care. Proper safety measures, including the use of personal protective equipment and ventilation, should be taken when working with chromoxide.