1,5-Naphthalenedisulfonic acid, 3-[2-[4-[2-[4-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-1-naphthalenyl]diazenyl]-, sodium salt (1:4)

CAS Registry Number®

3071-71-4

CAS Name

1,5-Naphthalenedisulfonic acid, 3-[2-[4-[2-[4-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-1-naphthalenyl]diazenyl]-, sodium salt (1:4)

Molecular Formula

C40H27N7O13S4.4Na

Cite this Page

1,5-Naphthalenedisulfonic acid, 3-[2-[4-[2-[4-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-1-naphthalenyl]diazenyl]-, sodium salt (1:4).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=3071-71-4 (retrieved 2024-11-13) (CAS RN: 3071-71-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C40H27N7O13S4.4Na/c41-22-9-8-21-16-38(64(58,59)60)39(40(48)29(21)17-22)47-46-35-15-14-34(27-11-10-24(20-30(27)35)61(49,50)51)45-44-33-13-12-32(25-4-1-2-5-26(25)33)43-42-23-18-31-28(37(19-23)63(55,56)57)6-3-7-36(31)62(52,53)54;;;;/h1-20,48H,41H2,(H,49,50,51)(H,52,53,54)(H,55,56,57)(H,58,59,60);;;;

InChIKey

InChIKey=RKRFZEVIJKFZTK-UHFFFAOYSA-N

SMILES

N(=NC=1C(S(=O)(=O)O)=CC2=C(C1O)C=C(N)C=C2)C=3C4=C(C(N=NC=5C6=C(C(N=NC7=CC8=C(C(S(=O)(=O)O)=C7)C=CC=C8S(=O)(=O)O)=CC5)C=CC=C6)=CC3)C=CC(S(=O)(=O)O)=C4.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C=1C=CC=2C(N=NC3=CC=C(N=NC=4C=C5C(C=CC=C5S(=O)(=O)O)=C(C4)S(=O)(=O)O)C=6C=CC=CC36)=CC=C(N=NC=7C(O)=C8C=C(N)C=CC8=CC7S(=O)(=O)O)C2C1

Other Names for this Substance

  • 1,5-Naphthalenedisulfonic acid, 3-[2-[4-[2-[4-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-1-naphthalenyl]diazenyl]-, sodium salt (1:4)
  • C.I. Direct Black 103, tetrasodium salt
  • 1,5-Naphthalenedisulfonic acid, 3-[[4-[[4-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-6-sulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]-, tetrasodium salt
  • 1,5-Naphthalenedisulfonic acid, 3-[[4-[[4-[(7-amino-1-hydroxy-3-sulfo-2-naphthyl)azo]-6-sulfo-1-naphthyl]azo]-1-naphthyl]azo]-, tetrasodium salt
  • C.I. 34179

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