C.I. Direct Black 32 structure

C.I. Direct Black 32

trisodium;6-[[2-amino-4-(2-hydroxyethylamino)phenyl]diazenyl]-3-[[4-[4-[[7-[[2-amino-4-(2-hydroxyethylamino)phenyl]diazenyl]-1-hydroxy-3-sulfonatonaphthalen-2-yl]diazenyl]-2-sulfonatoanilino]phenyl]diazenyl]-4-hydroxynaphthalene-2-sulfonate

Also Known As: C.I. Direct Black 32|Benzonerol ABS|Cotonerol AB|Cotoneral ABS|Direct Black 32|Direct Black AB|Sumilight Black AB|Direct Black 2S|Kayarus Black ARX|Dialuminous Black AB|Diazol Fast Black JRA|Direct Fast Black CAB|C.I.Direct black 32|Orbamin Black A Conc|Orbamin Black A Conc.|Direct Artificial Silk Black BO|C.I. Direct Black 32, trisodium salt|C.I. 35440|C.I. Direct Black 32, trisodium salt (8CI)|2-Naphthalenesulfonic acid, 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|trisodium;6-[[2-amino-4-(2-hydroxyethylamino)phenyl]diazenyl]-3-[[4-[4-[[7-[[2-amino-4-(2-hydroxyethylamino)phenyl]diazenyl]-1-hydroxy-3-sulfonatonaphthalen-2-yl]diazenyl]-2-sulfonatoanilino]phenyl]diazenyl]-4-hydroxynaphthalene-2-sulfonate|2-Naphthalenesulfonic acid, 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)amin o)-3-sulfophenyl)azo)-4-hydroxy-, trisodium salt|2-Naphthalenesulfonic acid, 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)|2-Naphthalenesulfonic acid, 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|2-Naphthalenesulfonic acid, 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)|2-Naphthalenesulfonic acid, 6-2-amino-4-(2-hydroxyethyl)aminophenylazo-3-4-4-7-2-amino-4-(2-hydroxyethyl)aminophenylazo-1-hydroxy-3-sulfo-2-naphthalenylazophenylamino-3-sulfophenylazo-4-hydroxy-, trisodium salt|2-Naphthalenesulfonicacid,6-[[2-amino-4-[ amino]phenyl]azo]-3-[[4-[[4-[[7-[[2-amino-4-[ amino]phenyl]azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-,trisodiumsalt|229-209-7|Trisodium 6-[(E)-{2-amino-4-[(2-hydroxyethyl)amino]phenyl}diazenyl]-3-[(E)-(4-{4-[(E)-{7-[(E)-{2-amino-4-[(2-hydroxyethyl)amino]phenyl}diazenyl]-1-hydroxy-3-sulfonatonaphthalen-2-yl}diazenyl]anilino}-3-sulfonatophenyl)diazenyl]-4-hydroxynaphthalene-2-sulfonate|trisodium,(3Z)-6-[[2-amino-4-(2-hydroxyethylamino)phenyl]diazenyl]-3-[[4-[4-[(2Z)-2-[7-[[2-amino-4-(2-hydroxyethylamino)phenyl]diazenyl]-1-oxo-3-sulfonatonaphthalen-2-ylidene]hydrazinyl]-2-sulfonatoanilino]phenyl]hydrazinylidene]-4-oxonaphthalene-2-sulfon

CAS: 6428-38-2
Molecular Formula C48H40N13Na3O13S3
Molecular Weight 1171.1724 g/mol
LogP 0.5065
Topological Polar Surface Area 465.0 Ų
Hydrogen Bond Donors 9
Hydrogen Bond Acceptors 26
Rotatable Bonds 16
Exact Mass 1171.1724
Monoisotopic Mass 1171.1724
Heavy Atoms 80
Complexity 2330.0

Chemical Identifiers

CAS Number 6428-38-2
SMILES C1=CC(=CC=C1NC2=C(C=C(C=C2)N=NC3=C(C=C4C=CC(=CC4=C3O)N=NC5=C(C=C(C=C5)NCCO)N)S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC6=C(C=C7C=CC(=CC7=C6O)N=NC8=C(C=C(C=C8)NCCO)N)S(=O)(=O)[O-].[Na+].[Na+].[Na+]
InChIKey ZCLZGAIIRSGUNH-UHFFFAOYSA-K

Product Overview

C.I. Direct Black 32 (CAS 6428-38-2), with molecular formula C48H40N13Na3O13S3 and molecular weight 1171.1724 g/mol. IUPAC: trisodium;6-[[2-amino-4-(2-hydroxyethylamino)phenyl]diazenyl]-3-[[4-[4-[[7-[[2-amino-4-(2-hydroxyethylamino)phenyl]diazenyl]-1-hydroxy-3-sulfonatonaphthalen-2-yl]diazenyl]-2-sulfonatoanilino]phenyl]diazenyl]-4-hydroxynaphthalene-2-sulfonate.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
View MSDS →

C.I. Direct Black 32 is a custom synthesis product. We offer services from milligram to kilogram scale.

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