2-Naphthalenesulfonic acid, 7,7'-(carbonyldiimino)bis(4-hydroxy-3-((6-sulfo-2-naphthalenyl)azo)-, sodium salt, compd. with 2,2',2''-nitrilotris(ethanol) 2-Naphthalenesulfonic acid, 7,7'-ureylenebis(4-hydroxy-3-((6-sulfo-2-naphthyl)azo)-, sodium triethanolamine salts (1:x:x) 7,7'-(Carbonyldiimino)bis(4-hydroxy-3-((6-sulpho-2-naphthyl)azo)naphthalene-2-sulphonic) acid, sodium salt, compound with 2,2',2''-nitrilotriethanol 79770-29-9 83950-04-3 EINECS 279-255-7