Properties:... more properties and specification on 2-Naphthalenesulfonic acid, 6-amino-3-[[4-[[4-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, diazotized, coupled with 2,4-diaminobenzenesulfonic acid and m |