Acid yellow 42

CAS Registry Number®

6375-55-9
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CAS Name

Acid yellow 42

Molecular Formula

C32H26N8O8S2.2Na

Cite this Page

Acid yellow 42.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=6375-55-9 (retrieved 2024-04-29) (CAS RN: 6375-55-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C32H26N8O8S2.2Na/c1-19-29(31(41)39(37-19)23-9-5-3-6-10-23)35-33-21-13-15-25(27(17-21)49(43,44)45)26-16-14-22(18-28(26)50(46,47)48)34-36-30-20(2)38-40(32(30)42)24-11-7-4-8-12-24;;/h3-18,29-30H,1-2H3,(H,43,44,45)(H,46,47,48);;

InChIKey

InChIKey=FFKPIAOPDVEWHI-UHFFFAOYSA-N

SMILES

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

Canonical SMILES

[Na].O=C1N(N=C(C)C1N=NC=2C=CC(C3=CC=C(N=NC4C(=O)N(N=C4C)C=5C=CC=CC5)C=C3S(=O)(=O)O)=C(C2)S(=O)(=O)O)C=6C=CC=CC6

Other Names for this Substance

  • [1,1′-Biphenyl]-2,2′-disulfonic acid, 4,4′-bis[2-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl]-, sodium salt (1:2)
  • C.I. Acid Yellow 42, disodium salt
  • [1,1′-Biphenyl]-2,2′-disulfonic acid, 4,4′-bis[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-, disodium salt
  • C.I. 22910
  • Acid Anthracene Yellow GR

View All

Deleted or Replaced CAS Registry Numbers

63993-46-4, 74968-16-4, 84843-16-3, 253167-34-9, 618447-61-3, 846606-98-2, 1221157-39-6, 1266247-74-8

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