title: 3-(Benzimidazolium-2-yl)propionate dihydrate.
abstract: In the crystal struture of the title compound, C(10)H(10)N(2)O(2)·2H(2)O, the component species are linked to the water mol-ecules by N-H⋯O and O-H⋯O hydrogen bonds to form a three-dimensional network structure.
authors.forename: Xin
authors.initials: X
authors.lastname: Xiao
authors.forename: Yun-Qiang
authors.initials: YQ
authors.lastname: Zhang
authors.forename: Sai-Feng
authors.initials: SF
authors.lastname: Xue
authors.forename: Zhu
authors.initials: Z
authors.lastname: Tao