5,5-[[4,6-Bis(sodiosulfo)-1,3-phenylene]bis[azo(4,6-diamino-3,1-phenylene)azo(3,3-dimethyl[1,1-biphenyl]-4,4-diyl)azo]]bis[2-hydroxybenzoic acid sodium] salt
CAS No. 6471-42-7
5,5-[[4,6-Bis(sodiosulfo)-1,3-phenylene]bis[azo(4,6-diamino-3,1-phenylene)azo(3,3-dimethyl[1,1-biphenyl]-4,4-diyl)azo]]bis[2-hydroxybenzoic acid sodium] salt;C.I.36220;Columbia Catechine O