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Substance Name: 1-Naphthalenesulfonic acid, 4,4'-((4,6-dihydroxy-1,3-phenylene)bis(2,1-diazenediyl))bis-, sodium salt (1:2)
RN: 73309-47-4
InChIKey: XWZDSUWTMPTODR-ZQGAZYNISA-L

Molecular Formula

  • C26-H18-N4-O8-S2.2Na

Molecular Weight

  • 622.544
 
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Names and Synonyms

Synonyms

  • 4,4'-((2,4-Dihydroxy-1,5-phenylene)bis(azo))bis(1-naphthalenesulfonic acid), disodium salt
  • EINECS 277-375-4

Systematic Names

  • 1-Naphthalenesulfonic acid, 4,4'-((4,6-dihydroxy-1,3-phenylene)bis(2,1-diazenediyl))bis-, sodium salt (1:2)
  • 1-Naphthalenesulfonic acid, 4,4'-((4,6-dihydroxy-1,3-phenylene)bis(azo))bis-, disodium salt
  • Disodium 4,4'-((4,6-dihydroxy-1,3-phenylene)bis(azo))bisnaphthalene-1-sulphonate

Registry Numbers

CAS Registry Number

  • 73309-47-4

System Generated Number

  • 0073309474

Molecular Formulas

Molecular Formula

  • C26-H18-N4-O8-S2.2Na

Molecular Formula Fragments

  • C26-H18-N4-O8-S2
  • COMPONENT
  • Na

Structure Descriptors

InChI

1S/C26H18N4O8S2.2Na/c31-23-14-24(32)22(30-28-20-10-12-26(40(36,37)38)18-8-4-2-6-16(18)20)13-21(23)29-27-19-9-11-25(39(33,34)35)17-7-3-1-5-15(17)19;;/h1-14,31-32H,(H,33,34,35)(H,36,37,38);;/q;2*+1/p-2/b29-27+,30-28+;;

InChIKey

XWZDSUWTMPTODR-ZQGAZYNISA-L

Smiles

[Na+].[Na+].c1(cc(c(cc1O)O)\N=N\c1ccc(c2ccccc12)S(=O)(=O)[O-])\N=N\c1ccc(c2ccccc12)S(=O)(=O)[O-]