Hydroxy naphthol blue

CAS Registry Number®

165660-27-5
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CAS Name

Hydroxy naphthol blue

Molecular Formula

C20H14N2O11S3.2Na

Cite this Page

Hydroxy naphthol blue.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=165660-27-5 (retrieved 2024-04-30) (CAS RN: 165660-27-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C20H14N2O11S3.2Na/c23-15-9-16(35(28,29)30)13-3-1-2-4-14(13)18(15)21-22-19-12-6-5-11(34(25,26)27)7-10(12)8-17(20(19)24)36(31,32)33;;/h1-9,23-24H,(H,25,26,27)(H,28,29,30)(H,31,32,33);;

InChIKey

InChIKey=PPLGBYKWDBFHQY-UHFFFAOYSA-N

SMILES

N(=NC=1C2=C(C(S(=O)(=O)O)=CC1O)C=CC=C2)C=3C4=C(C=C(S(=O)(=O)O)C3O)C=C(S(=O)(=O)O)C=C4.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C=1C=CC=2C(C1)=CC(=C(O)C2N=NC3=C(O)C=C(C=4C=CC=CC34)S(=O)(=O)O)S(=O)(=O)O

Other Names for this Substance

  • 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[2-(2-hydroxy-4-sulfo-1-naphthalenyl)diazenyl]-, sodium salt (1:2)
  • 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(2-hydroxy-4-sulfo-1-naphthalenyl)azo]-, disodium salt
  • Hydroxy naphthol blue
  • Hydroxy naphthol blue disodium salt
  • Disodium 3-hydroxy-4-(2-hydroxy-4-sulfonaphthalen-1-yl)diazenylnaphthalene-2,7-disulfonate

Deleted or Replaced CAS Registry Numbers

1173509-98-2

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