7-Chloro-4-(2-hydroxyethylamino)quinolin-1-ium chloride

The use of the EPSRC X-ray crystallographic service at the University of Southampton, England [Coles, S. J. & Gale, P. A. (2012). Chem. Sci. 3, 683-689.]), and the valuable assistance of the staff there is gratefully acknowledged. JLW acknowledges support from CAPES (Brazil). Structural studies are supported by the Ministry of Higher Education (Malaysia) and the University of Malaya through the High-Impact Research scheme (UM·C/HIR/MOHE/SC/3).Peer reviewedPublisher PD