Polonium tetrabromide, is a bromide of polonium, with the chemical formula PoBr<sub>4</sub>.
Polonium tetrabromide can be formed by the direct reaction of bromine and polonium at 200 ðC to 250 ðC.
Like polonium tetraiodide, polonium tetrabromide can also be produced by the reaction of polonium dioxide and hydrogen bromide:
Polonium tetrabromide is a light red solid that is easily deliquescent. It crystallizes in the cubic crystal system, with space group Fm'm (No. 225) and lattice parameter a = 5.6 ÃÂ .