title: 4-(4-Diethyl-amino-2-hydroxy-benzyl-idene-ammonio)-3-methyl-benzene-sulfonate dihydrate.
abstract: In the crystal of the title compound, C(18)H(22)N(2)O(4)S·2H(2)O, mol-ecules are linked into a one-dimensional chain structure by C-H⋯O, N-H⋯O, O-H⋯O and O-H⋯N hydrogen bonds.
authors.affiliation: Department of Chemistry, Qinghai Normal University, Xining 810008, People's Republic of China.
authors.forename: Wei
authors.initials: W
authors.lastname: Zhang
authors.forename: Yuan-Tao
authors.initials: YT
authors.lastname: Chen