[2-[[4-[(5-chloro-2-cyanophenyl)azo]-3-methylphenyl]ethylamino]ethyl]trimethylammonium hydrogen sulphate

Ethanaminium, 2-[[4-[(5-chloro-2-cyanophenyl) azo]-3-methylphenyl]ethylamino]-N,N,N-trimethyl -, sulfate (1:1)