title: 4-Amino-2-methyl-quinolinium hydrogensulfate dihydrate.
abstract: In the title compound, C(10)H(11)N(2) (+)·HSO(4) (-)·2H(2)O, the asymmetric unit contains two protonated 4-amino-quinoline cations and two hydrogen sulfate anions with four water mol-ecules. The crystal structure involves extensive N-H⋯O and O-H⋯O hydrogen bonding.
authors.affiliation: Department of Chemistry, Shahid Beheshti University, Evin, Tehran 1983963113, Iran.
authors.forename: Mostafa M
authors.initials: MM
authors.lastname: Amini
authors.forename: Gholamhossein
authors.initials: G
authors.lastname: Mohammadnezhad Sh
authors.forename: Hamid Reza
authors.initials: HR
authors.lastname: Khavasi