Synonyms: | 3,3'-[(1,1'-BIPHENYL)-4,4'-DIYLBIS(AZO)]BIS(4-AMINO-1-NAPHTHALENESULFONIC ACID) 2NA;S NO 360;CONGO RED (CERT);Congo Red (0.1% in Water) [for pH Determination];3,3'-[(Biphenyl-4,4'-diyl)bisazo]bis(4-amino-1-naphthalenesulfonic acid sodium) salt;3,3'-[[1,1'-Biphenyl]-4,4'-diylbis(azo)]bis[4-amino-1-naphthalenesulfonic acid sodium] salt;Congo Ared 4b;Congo Red K |