Benzenesulfonic acid, 3-[2-(1,5-dihydroxy-2-naphthalenyl)diazenyl]-4-hydroxy-5-nitro-, sodium salt (1:1)

CAS Registry Number®

5979-27-1

CAS Name

Benzenesulfonic acid, 3-[2-(1,5-dihydroxy-2-naphthalenyl)diazenyl]-4-hydroxy-5-nitro-, sodium salt (1:1)

Molecular Formula

C16H11N3O8S.Na

Cite this Page

Benzenesulfonic acid, 3-[2-(1,5-dihydroxy-2-naphthalenyl)diazenyl]-4-hydroxy-5-nitro-, sodium salt (1:1).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=5979-27-1 (retrieved 2024-11-05) (CAS RN: 5979-27-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C16H11N3O8S.Na/c20-14-3-1-2-10-9(14)4-5-11(15(10)21)17-18-12-6-8(28(25,26)27)7-13(16(12)22)19(23)24;/h1-7,20-22H,(H,25,26,27);

InChIKey

InChIKey=WAOXFUKSXATQMM-UHFFFAOYSA-N

SMILES

OC=1C2=C(C=CC1N=NC3=C(O)C(N(=O)=O)=CC(S(=O)(=O)O)=C3)C(O)=CC=C2.[Na]

Canonical SMILES

[Na].O=N(=O)C1=CC(=CC(N=NC=2C=CC=3C(O)=CC=CC3C2O)=C1O)S(=O)(=O)O

Other Names for this Substance

  • Benzenesulfonic acid, 3-[2-(1,5-dihydroxy-2-naphthalenyl)diazenyl]-4-hydroxy-5-nitro-, sodium salt (1:1)
  • C.I. Mordant Black 51, monosodium salt
  • Benzenesulfonic acid, 3-[(1,5-dihydroxy-2-naphthalenyl)azo]-4-hydroxy-5-nitro-, monosodium salt
  • C.I. 16510
  • C.I. Mordant Black 51

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CAS INSIGHTSTM
Abstract Background of Blurry Golden Particles