2,2'-((3-Chloro-4-((4-((2-(sulphooxy)ethyl)sulphonyl)phenyl)azo)phenyl)imino)bisethyl bis(hydrogen sulphate), potassium sodium salt 85567-07-3 EINECS 287-719-5 Ethanol, 2,2'-((3-chloro-4-((4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)azo)phenyl)imino)bis-, bis(hydrogen sulfate) (ester), potassium sodium salt