2-Naphthalenesulfonic acid, 5,5′-[[1,1′-biphenyl]-4,4′-diylbis(2,1-diazenediyl)]bis[6-amino-4-hydroxy-, sodium salt (1:2)
C.I. Direct Violet 1, disodium salt
2-Naphthalenesulfonic acid, 5,5′-[[1,1′-biphenyl]-4,4′-diylbis(azo)]bis[6-amino-4-hydroxy-, disodium salt
C.I. Direct Violet 1
Direct Violet
C.I. 22570
Airedale Violet ND
Amanil Fast Violet N
Atlantic Violet N
Atul Direct Violet N
Azocard Violet N
Bencidal Fast Violet N
Benzanil Violet N
Benzo Violet N
Brasilamina Violet 3R
Calcomine Violet N
Chlorazol Violet N
Cotton Violet R
Diamine Violet N
Diaphtamine Violet N
Diazine Violet N
Diazol Violet N
Direct Brilliant Violet 2R
Direct Fast Violet N
Direct Fast Violet MN
Direct Violet C
Direct Violet N
Direct Violet FR
Erie Violet 3R
Fixanol Violet N
Hispamin Violet 3R
Japanol Violet J
Naphtamine Violet N
Paramine Fast Violet N
Pheno Violet N
Pontamine Violet N
Tertrodirect Violet N
Trisulfon Violet N
Direct Violet R
Direct Violet 1