title: Benzene-1,2-di(aminium) naphthalene-1,5-disulfonate methanol monosolvate trihydrate.
abstract: In the title salt, C(6)H(10)N(2) (2+)·C(10)H(6)O(6)S(2) (2-)·CH(3)OH·3H(2)O, the cation lies on a mirror plane and the anion on a center of inversion. One lattice water mol-ecule is located on a mirror plane, another is equally disordered over two sites. The methanol solvent mol-ecule is disordered about a mirror plane. In the crystal, the cations, anions, water and methanol mol-ecules are linked by O-H⋯O and N-H⋯O hydrogen bonds, forming a three-dimensional network.
authors.forename: Shan
authors.initials: S
authors.lastname: Gao
authors.forename: Seik Weng
authors.initials: SW
authors.lastname: Ng