In the crystal structure of the title compound, C(2)H(8)N(+)·C(9)H(3)Br(4)O(4) (-)·CH(4)O, inter-molecular N-H⋯O and O-H⋯O hydrogen bonds link the components into chains along [001]. Additional stabilization is supplied by weak C-H⋯O and C-H⋯Br inter-actions.