1,3-Naphthalenedisulfonic acid, 8-[2-[4′-[2-(4-ethoxyphenyl)diazenyl][1,1′-biphenyl]-4-yl]diazenyl]-7-hydroxy-, sodium salt (1:2)

CAS Registry Number®

3530-19-6

CAS Name

1,3-Naphthalenedisulfonic acid, 8-[2-[4′-[2-(4-ethoxyphenyl)diazenyl][1,1′-biphenyl]-4-yl]diazenyl]-7-hydroxy-, sodium salt (1:2)

Molecular Formula

C30H24N4O8S2.2Na

Cite this Page

1,3-Naphthalenedisulfonic acid, 8-[2-[4′-[2-(4-ethoxyphenyl)diazenyl][1,1′-biphenyl]-4-yl]diazenyl]-7-hydroxy-, sodium salt (1:2).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=3530-19-6 (retrieved 2024-11-22) (CAS RN: 3530-19-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C30H24N4O8S2.2Na/c1-2-42-25-14-12-24(13-15-25)32-31-22-8-3-19(4-9-22)20-5-10-23(11-6-20)33-34-30-27(35)16-7-21-17-26(43(36,37)38)18-28(29(21)30)44(39,40)41;;/h3-18,35H,2H2,1H3,(H,36,37,38)(H,39,40,41);;

InChIKey

InChIKey=GEBPQIVQFJNBNN-UHFFFAOYSA-N

SMILES

N(=NC1=CC=C(C=C1)C2=CC=C(N=NC3=CC=C(OCC)C=C3)C=C2)C=4C5=C(C=C(S(=O)(=O)O)C=C5S(=O)(=O)O)C=CC4O.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=CC2=CC=C(O)C(N=NC3=CC=C(C=C3)C=4C=CC(N=NC5=CC=C(OCC)C=C5)=CC4)=C2C(=C1)S(=O)(=O)O

Other Names for this Substance

  • 1,3-Naphthalenedisulfonic acid, 8-[2-[4′-[2-(4-ethoxyphenyl)diazenyl][1,1′-biphenyl]-4-yl]diazenyl]-7-hydroxy-, sodium salt (1:2)
  • C.I. Direct Red 37, disodium salt
  • Direct Scarlet B
  • 1,3-Naphthalenedisulfonic acid, 8-[[4′-[(4-ethoxyphenyl)azo][1,1′-biphenyl]-4-yl]azo]-7-hydroxy-, disodium salt
  • C.I. 22240

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