2-Naphthalenesulfonic acid, 6-amino-5-((2-((decylamino)sulfonyl)phenyl)azo)-4-hydroxy- 6-Amino-5-((2-((decylamino)sulfonyl)phenyl)azo)-4-hydroxy-2-naphthalenesulfonic acid 6-Amino-5-((2-((decylamino)sulphonyl)phenyl)azo)-4-hydroxynaphthalene-2-sulphonic acid 73287-51-1 EINECS 277-350-8