Benzenesulfonic acid, 4,4′-[(phenylmethylene)bis[4,1-phenylene-2,1-diazenediyl(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)]]bis[3-chloro-5-methyl-, sodium salt (1:2)

CAS Registry Number®

6548-24-9

CAS Name

Benzenesulfonic acid, 4,4′-[(phenylmethylene)bis[4,1-phenylene-2,1-diazenediyl(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)]]bis[3-chloro-5-methyl-, sodium salt (1:2)

Molecular Formula

C41H34Cl2N8O8S2.2Na

Cite this Page

Benzenesulfonic acid, 4,4′-[(phenylmethylene)bis[4,1-phenylene-2,1-diazenediyl(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)]]bis[3-chloro-5-methyl-, sodium salt (1:2).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=6548-24-9 (retrieved 2024-11-25) (CAS RN: 6548-24-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C41H34Cl2N8O8S2.2Na/c1-22-18-31(60(54,55)56)20-33(42)38(22)50-40(52)36(24(3)48-50)46-44-29-14-10-27(11-15-29)35(26-8-6-5-7-9-26)28-12-16-30(17-13-28)45-47-37-25(4)49-51(41(37)53)39-23(2)19-32(21-34(39)43)61(57,58)59;;/h5-21,35-37H,1-4H3,(H,54,55,56)(H,57,58,59);;

InChIKey

InChIKey=TZWJVLMZMMMWET-UHFFFAOYSA-N

SMILES

C(C1=CC=C(N=NC2C(=O)N(N=C2C)C3=C(C)C=C(S(=O)(=O)O)C=C3Cl)C=C1)(C4=CC=C(N=NC5C(=O)N(N=C5C)C6=C(C)C=C(S(=O)(=O)O)C=C6Cl)C=C4)C7=CC=CC=C7.[Na]

Canonical SMILES

[Na].O=C1N(N=C(C)C1N=NC2=CC=C(C=C2)C(C=3C=CC=CC3)C4=CC=C(N=NC5C(=O)N(N=C5C)C6=C(Cl)C=C(C=C6C)S(=O)(=O)O)C=C4)C7=C(Cl)C=C(C=C7C)S(=O)(=O)O

Other Names for this Substance

  • Benzenesulfonic acid, 4,4′-[(phenylmethylene)bis[4,1-phenylene-2,1-diazenediyl(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)]]bis[3-chloro-5-methyl-, sodium salt (1:2)
  • C.I. Acid Yellow 56, disodium salt
  • Benzenesulfonic acid, 4,4′-[(phenylmethylene)bis[4,1-phenyleneazo(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)]]bis[3-chloro-5-methyl-, disodium salt
  • C.I. 24825
  • Azo Milling Yellow Extra

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