CuBr2, or copper(II) bromide, is an inorganic compound composed of one copper atom and two bromine atoms. It appears as a reddish-brown solid and is often used in various chemical reactions and applications, including as a catalyst in organic synthesis. This compound is soluble in water and can form a variety of complexes with other substances. CuBr2 is also utilized in the preparation of other copper compounds and in the field of materials science for its unique properties.