(2-((4-((2,6-Dichloro-4-nitrophenyl)azo)phenyl)ethylamino)ethyl)trimethylammonium hydrogen sulphate 2-((4-((2,6-Dichloro-4-nitrophenyl)azo)-phenyl)ethylamino)-N,N,N-trimethylethanaminium hydrogen sulfate 72828-75-2 EINECS 276-887-5 Ethanaminium, 2-((4-((2,6-dichloro-4-nitrophenyl)azo)phenyl)ethylamino)-N,N,N-trimethyl-, sulfate (1:1)