CAS No 6428-38-2 , 2-Naphthalenesulfonicacid,6-[2-[2-amino-4-[(2-hydroxyethyl)amino]phenyl]diazenyl]-3-[2-[4-[[4-[2-[7-[2-[2-amino-4-[(2-hydroxyethyl)amino]phenyl]diazenyl]-1-hydroxy-3-sulfo-2-naphthalenyl]diazenyl]phenyl]amino]-3-sulfophenyl]diazenyl]-4-hydroxy-,sodium salt (1:3)

Name: 2-Naphthalenesulfonicacid,6-[2-[2-amino-4-[(2-hydroxyethyl)amino]phenyl]diazenyl]-3-[2-[4-[[4-[2-[7-[2-[2-amino-4-[(2-hydroxyethyl)amino]phenyl]diazenyl]-1-hydroxy-3-sulfo-2-naphthalenyl]diazenyl]phenyl]amino]-3-sulfophenyl]diazenyl]-4-hydroxy-,sodium salt (1:3)
Synonyms: Cotoneral ABS; Diazol Fast Black JRA; Direct Black2S; Kayarus Black ARX; Direct Black Z for Leather;2-Naphthalenesulfonicacid, 6-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-3-[[4-[[4-[[7-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-,trisodium salt (9CI); C.I. Direct Black 32; C.I. Direct Black 32, trisodium salt (8CI); SumilightBlack AB; DialuminousBlack AB; Orbamin Black A Conc.;2-Naphthalenesulfonicacid,6-[2-[2-amino-4-[(2-hydroxyethyl)amino]phenyl]diazenyl]-3-[2-[4-[[4-[2-[7-[2-[2-amino-4-[(2-hydroxyethyl)amino]phenyl]diazenyl]-1-hydroxy-3-sulfo-2-naphthalenyl]diazenyl]phenyl]amino]-3-sulfophenyl]diazenyl]-4-hydroxy-,sodium salt (1:3); Cotonerol AB; C.I. 35440; Direct Black 32; Direct Fast Black CAB; BenzonerolABS; Direct FastBlack AB; Direct Black AB; Direct Artificial Silk Black BO;
CAS Registry Number:6428-38-2
Safety Statements: Moderately toxic by intraperitoneal route. Low toxicity by ingestion. When heated to decomposition it emits toxic vapors of NOx and SOx.
EINECS: 229-209-7
Molecular Weight: 1172.07481
InChI: InChI=1/C48H43N13O13S3.3Na/c49-37-23-30(51-15-17-62)9-12-39(37)58-55-32-3-1-26-19-43(76(69,70)71)45(47(64)35(26)21-32)60-54-29-7-5-28(6-8-29)53-41-14-11-34(25-42(41)75(66,67)68)57-61-46-44(77(72,73)74)20-27-2-4-33(22-36(27)48(46)65)56-59-40-13-10-31(24-38(40)50)52-16-18-63;;;/h1-14,19-25,51-53,62-65H,15-18,49-50H2,(H,66,67,68)(H,69,70,71)(H,72,73,74);;;/q;3*+1/p-3
Molecular Formula: C48H40N13Na3O13S3
Molecular Structure:

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