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)

CAS Registry Number®

6428-38-2

CAS Name

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)

Molecular Formula

C48H43N13O13S3.3Na

Cite this Page

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).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=6428-38-2 (retrieved 2024-11-24) (CAS RN: 6428-38-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/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);;;

InChIKey

InChIKey=DBACBSGSOMTXCG-UHFFFAOYSA-N

SMILES

OC=1C2=C(C=C(S(=O)(=O)O)C1N=NC3=CC(S(=O)(=O)O)=C(NC4=CC=C(N=NC=5C(S(=O)(=O)O)=CC6=C(C5O)C=C(N=NC7=C(N)C=C(NCCO)C=C7)C=C6)C=C4)C=C3)C=CC(N=NC8=C(N)C=C(NCCO)C=C8)=C2.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C=1C=C2C=CC(N=NC3=CC=C(C=C3N)NCCO)=CC2=C(O)C1N=NC4=CC=C(C=C4)NC5=CC=C(N=NC=6C(O)=C7C=C(N=NC8=CC=C(C=C8N)NCCO)C=CC7=CC6S(=O)(=O)O)C=C5S(=O)(=O)O

Other Names for this Substance

  • 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)
  • C.I. Direct Black 32, trisodium salt
  • 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
  • C.I. 35440
  • Benzonerol ABS

View All

Deleted or Replaced CAS Registry Numbers

99400-48-3, 51028-74-1, 73904-18-4

CAS INSIGHTSTM
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