Also Called: CI Direct Black 38 (see Benzidine, dyes metabolized to); Disodium 4-amino-3-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]-4-yl]azo] -5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate; 2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4'-[(2,4-diaminophenyl) azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy -6-(phenylazo)-, disodium salt; disodium 4-amino-3-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)naphtalene-2,7-disulphonate; C.I. Direct Black 38; disodium 4-amino-3-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate; 2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)-, disodium salt [C.I. Direct Black 38];DIRECT BLACK 38;Direct Black 38 (technical grade);Disodium 4-amino-3-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]-4-yl]azo] -5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate (C.I. Direct Black 38);C.I. direct black 038;Disodium 4-amino-3-[4'-(2,4-diaminophenyla;2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)-, disodium salt;disodium 4-amino-3-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)naphtalene-2,7-disulfonate;Disodium 4-amino-3-[4'-(2,4-diaminophenylazo)-1,1'-biphenyl-4-ylazo]-5-hydroxy-6-phenylazo-2,7-naphthalenedisulfonate;Dinatrium-4-amino-3-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)naphthalin-2,7-disulfonat;disodium 4-amino-3-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)naphtalene-2,7-disulphonate C.I. Direct Black 38;Chlorazol Black E;Disodium 4-amino 3-[[4′-[(2,4- diaminophenyl)azo][1,1′-biphenyl]- 4-yl]azo]-5-hydroxy-6-(pheny lazo)naphtalene-2,7-disulphonate;2,7-Naphthalenedisulfonic acid, 4-amino-3-[2-[4'-[2-(2,4-diaminophenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-, sodium salt (1:2);Disodium 4-amino-3-[[4'-[(2,4-diaminophenyl)azo] [1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate;2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4'-[(2,4-diaminophenyl) azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy -6-(phenylazo)-, disodium salt ( C.I. DIRECT BLACK 38);C.I. Direct Black 38, C.I.30235;Disodium 4-amino-3-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate (C.I. Direct Black 38);2,7-NAPHTHALENEDISULFONIC ACID, 4-AMINO-3-[[4'-[(2,4-DIAMINOPHENYL)AZO] [1,1'-BIPHENYL]-4-YL]AZO] 5-HYDROXY-6-(PHENYLAZO)-, DISODIUM SALT;CI direct black 38;Disodium 4-amino-3-[4'-(2,4-diaminophenylazo)-1,1'-biphenyl-4-ylazo]-5-hydroxy-6-phenylazo-2,7-naphthalenedisulfonate (C.I. Direct Black 38);2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]azo]-5-hydroxy-6-(phenyl)azo]-, disodium salt;DIRECT BLACK META;disodium 4-amino-3-[4'-(2,4-diaminophenylazo)-1,1'-biphenyl-4-ylazo]-5-hydroxy-6-phenylazo-2,7-naphthalenedisulfonate (alias: CI Direct Black 38);4-AMINO-3-((4'-((2,4-DIAMINOPHENYL)-AZO)-(1,1'-BIPHENYL)-4-YL)-AZO)-5-HYDROXY-6-(PHENYLAZO)-2,7-NAPHTHALINDISULFONSAEURE-DI-NA-SALZ;Direct black BN;DIRECT BLACK 38 (TECH GRADE);4-amino-3-[[4'-[(2,4-diaminofenil)azo][1,1'-bifenil]-4-il]azo]-5-hidroxi-6-(fenilazo)naftaleno-2,7-dissulfonato de dissódio;negro direto 38 do Colour Index;KOHLENSCHWARZ (KUENSTLICH);直接黑BN;二ナトリウム=4-アミノ-3-({4'-[(2,4-ジアミノフェニル)ジアゼニル]ビフェニル-4-イル}ジアゼニル)-5-ヒドロキシ-6-(フェニルジアゼニル)ナフタレン-2,7-ジスルホナート
