(2-((4-((2-Chloro-4-nitrophenyl)azo)phenyl)ethylamino)ethyl)(2-hydroxypropyl)dimethylammonium sulphate 1-Propanaminium, N-(2-((4-((2-chloro-4-nitrophenyl)azo)phenyl)ethylamino)ethyl)-2-hydroxy-N,N-dimethyl-, sulfate (2:1) (salt) 85187-96-8 EINECS 286-186-6