2-Naphthalenesulfonic acid, 3,3′-[cyclohexylidenebis[(2-methyl-4,1-phenylene)-2,1-diazenediyl]]bis[4,6-dihydroxy-, sodium salt (1:2)

CAS Registry Number®

6507-79-5
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CAS Name

2-Naphthalenesulfonic acid, 3,3′-[cyclohexylidenebis[(2-methyl-4,1-phenylene)-2,1-diazenediyl]]bis[4,6-dihydroxy-, sodium salt (1:2)

Molecular Formula

C40H36N4O10S2.2Na

Cite this Page

2-Naphthalenesulfonic acid, 3,3′-[cyclohexylidenebis[(2-methyl-4,1-phenylene)-2,1-diazenediyl]]bis[4,6-dihydroxy-, sodium salt (1:2).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=6507-79-5 (retrieved 2024-09-21) (CAS RN: 6507-79-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C40H36N4O10S2.2Na/c1-22-16-26(8-12-32(22)41-43-36-34(55(49,50)51)18-24-6-10-28(45)20-30(24)38(36)47)40(14-4-3-5-15-40)27-9-13-33(23(2)17-27)42-44-37-35(56(52,53)54)19-25-7-11-29(46)21-31(25)39(37)48;;/h6-13,16-21,45-48H,3-5,14-15H2,1-2H3,(H,49,50,51)(H,52,53,54);;

InChIKey

InChIKey=HKAYUQXMBAQEQW-UHFFFAOYSA-N

SMILES

CC=1C=C(C2(CCCCC2)C3=CC(C)=C(N=NC=4C(S(=O)(=O)O)=CC5=C(C4O)C=C(O)C=C5)C=C3)C=CC1N=NC=6C(S(=O)(=O)O)=CC7=C(C6O)C=C(O)C=C7.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C=1C=C2C=CC(O)=CC2=C(O)C1N=NC3=CC=C(C=C3C)C4(C5=CC=C(N=NC=6C(O)=C7C=C(O)C=CC7=CC6S(=O)(=O)O)C(=C5)C)CCCCC4

Other Names for this Substance

  • 2-Naphthalenesulfonic acid, 3,3′-[cyclohexylidenebis[(2-methyl-4,1-phenylene)-2,1-diazenediyl]]bis[4,6-dihydroxy-, sodium salt (1:2)
  • C.I. Acid Red 154, disodium salt
  • 2-Naphthalenesulfonic acid, 3,3′-[cyclohexylidenebis[(2-methyl-4,1-phenylene)azo]]bis[4,6-dihydroxy-, disodium salt
  • C.I. 24800
  • Lanaperl Fast Red 5B

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Deleted or Replaced CAS Registry Numbers

53988-76-4