2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[2-[4-(2-phenyldiazenyl)phenyl]diazenyl]-, sodium salt (1:2)

CAS Registry Number®

6226-78-4

CAS Name

2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[2-[4-(2-phenyldiazenyl)phenyl]diazenyl]-, sodium salt (1:2)

Molecular Formula

C22H16N4O7S2.2Na

Cite this Page

2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[2-[4-(2-phenyldiazenyl)phenyl]diazenyl]-, sodium salt (1:2).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=6226-78-4 (retrieved 2024-11-22) (CAS RN: 6226-78-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C22H16N4O7S2.2Na/c27-22-20(35(31,32)33)13-14-12-18(34(28,29)30)10-11-19(14)21(22)26-25-17-8-6-16(7-9-17)24-23-15-4-2-1-3-5-15;;/h1-13,27H,(H,28,29,30)(H,31,32,33);;

InChIKey

InChIKey=SEWSRCDLKXGURD-UHFFFAOYSA-N

SMILES

N(=NC1=CC=C(N=NC2=CC=CC=C2)C=C1)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=CC=C(N=NC=4C=CC=CC4)C=C3)S(=O)(=O)O

Other Names for this Substance

  • 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[2-[4-(2-phenyldiazenyl)phenyl]diazenyl]-, sodium salt (1:2)
  • C.I. Acid Red 150, disodium salt
  • Cloth Red 2R
  • 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[[4-(phenylazo)phenyl]azo]-, disodium salt
  • C.I. 27190

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Deleted or Replaced CAS Registry Numbers

878794-17-3

CAS INSIGHTSTM
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