2,5-Dichloro-4-((2-(dibutylamino)-4-methyl-6-((2-(4-sulphophenyl)ethyl)amino)-5-pyrimidinyl)azo)benzenesulphonic acid, sodium salt 84962-50-5 Azo dye compd. Benzenesulfonic acid, 2,5-dichloro-4-((2-(dibutylamino)-4-methyl-6-((2-(4-sulfophenyl)ethyl)amino)-5-pyrimidinyl)azo)-, sodium salt EINECS 284-748-5