Tags: Chemical Compound, Chemical Substance.
Mercury(I) bromide or mercurous bromide is the chemical compound composed of mercury and bromine with the formula Hg2Br2. It changes color from white to yellow when heated and fluoresces a salmon color when exposed to ultraviolet light. It has applications in acousto-optical devices.A very rare mineral form is called kuzminite Hg2(BrCl)2.