2-(4-((4-((4-((2-Cyanoethyl)ethylamino)phenyl)azo)-2-methylphenyl)azo)phenoxy)ethyl sodium sulphate 75627-15-5 EINECS 278-271-1 Propanenitrile, 3-(ethyl(4-((3-methyl-4-((4-(2-(sulfooxy)ethoxy)phenyl)azo)phenyl)azo)phenyl)amino)-, sodium salt Sulfuric acid, 3-((4-((4-((4-((2-hydroxyethyl)oxy)phenyl)azo)-3-methylphenyl)azo)phenyl)ethylamino)propanenitrile ester, sodium salt