Eriochrome Blue Black

CAS Registry Number®

3564-14-5

CAS Name

Eriochrome Blue Black

Molecular Formula

C20H14N2O5S.Na

Cite this Page

Eriochrome Blue Black.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=3564-14-5 (retrieved 2024-12-27) (CAS RN: 3564-14-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C20H14N2O5S.Na/c23-17-11-18(28(25,26)27)14-7-3-4-8-15(14)19(17)22-21-16-10-9-12-5-1-2-6-13(12)20(16)24;/h1-11,23-24H,(H,25,26,27);

InChIKey

InChIKey=WTEXMTSCHUTBIF-UHFFFAOYSA-N

SMILES

N(=NC1=C(O)C2=C(C=C1)C=CC=C2)C=3C4=C(C(S(=O)(=O)O)=CC3O)C=CC=C4.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=CC(O)=C(N=NC=2C=CC=3C=CC=CC3C2O)C=4C=CC=CC41

Other Names for this Substance

  • 1-Naphthalenesulfonic acid, 3-hydroxy-4-[2-(1-hydroxy-2-naphthalenyl)diazenyl]-, sodium salt (1:1)
  • C.I. Mordant Black 3, monosodium salt
  • C.I. Mordant Black 3
  • Eriochrome Blue Black B
  • 1-Naphthalenesulfonic acid, 3-hydroxy-4-[(1-hydroxy-2-naphthalenyl)azo]-, monosodium salt

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Deleted or Replaced CAS Registry Numbers

1020677-57-9

CAS INSIGHTSTM
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