Buy article online - an online subscription or single-article purchase is required to access this article.
organic compounds
In the crystal structure of the title compound, C6H12N3O4P.4H2O, the amino group is protonated by the phosphate group. The phosphate group is trans planar to the central asymmetric C atom and projects out the plane of the imidazole ring. The crystal structure is stabilized by a three-dimensional network of all possible hydrogen bonds.