Chromate(2-), hydroxy[3-(hydroxy-κO)-4-[2-[1-(hydroxy-κO)-8-sulfo-2-naphthalenyl]diazenyl-κN1]-1-naphthalenesulfonato(4-)]-, sodium (1:2), (T-4)-

CAS Registry Number®

6370-08-7

CAS Name

Chromate(2-), hydroxy[3-(hydroxy-κO)-4-[2-[1-(hydroxy-κO)-8-sulfo-2-naphthalenyl]diazenyl-κN1]-1-naphthalenesulfonato(4-)]-, sodium (1:2), (T-4)-

Molecular Formula

C20H11CrN2O9S2.2Na

Cite this Page

Chromate(2-), hydroxy[3-(hydroxy-κO)-4-[2-[1-(hydroxy-κO)-8-sulfo-2-naphthalenyl]diazenyl-κN1]-1-naphthalenesulfonato(4-)]-, sodium (1:2), (T-4)-.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=6370-08-7 (retrieved 2024-11-23) (CAS RN: 6370-08-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C20H14N2O8S2.Cr.2Na.H2O/c23-15-10-17(32(28,29)30)12-5-1-2-6-13(12)19(15)22-21-14-9-8-11-4-3-7-16(31(25,26)27)18(11)20(14)24;;;;/h1-10,23-24H,(H,25,26,27)(H,28,29,30);;;;1H2/q;+3;2*+1;/p-5

InChIKey

InChIKey=ZQZPAFVDCIVGCR-UHFFFAOYSA-I

SMILES

[OH-][Cr+3]12[N](C=3C=4C(C(S(=O)(=O)[O-])=CC3[O-]1)=CC=CC4)=NC=5C([O-]2)=C6C(=CC5)C=CC=C6S(=O)(=O)[O-].[Na+]

Canonical SMILES

[Na+].O=S(=O)([O-])C=1C=CC=C2C=CC=3N=[N]4C=5C([O-][Cr+3]4([OH-])[O-]C3C21)=CC(=C6C=CC=CC65)S(=O)(=O)[O-]

Other Names for this Substance

  • Chromate(2-), hydroxy[3-(hydroxy-κO)-4-[2-[1-(hydroxy-κO)-8-sulfo-2-naphthalenyl]diazenyl-κN1]-1-naphthalenesulfonato(4-)]-, sodium (1:2), (T-4)-
  • C.I. Acid Blue 158, disodium salt
  • Chromate(2-), hydroxy[3-hydroxy-4-[(1-hydroxy-8-sulfo-2-naphthalenyl)azo]-1-naphthalenesulfonato(4-)]-, disodium
  • Chromate(2-), hydroxy[3-(hydroxy-κO)-4-[[1-(hydroxy-κO)-8-sulfo-2-naphthalenyl]azo-κN1]-1-naphthalenesulfonato(4-)]-, disodium, (T-4)-
  • 1-Naphthalenesulfonic acid, 3-hydroxy-4-[(1-hydroxy-8-sulfo-2-naphthalenyl)azo]-, chromium complex

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Deleted or Replaced CAS Registry Numbers

39389-99-6, 53126-96-8

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