Direct Yellow 4

CAS Registry Number®

3051-11-4

CAS Name

Direct Yellow 4

Molecular Formula

C26H20N4O8S2.2Na

Cite this Page

Direct Yellow 4.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=3051-11-4 (retrieved 2024-11-22) (CAS RN: 3051-11-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C26H20N4O8S2.2Na/c31-23-11-7-19(8-12-23)27-29-21-5-3-17(25(15-21)39(33,34)35)1-2-18-4-6-22(16-26(18)40(36,37)38)30-28-20-9-13-24(32)14-10-20;;/h1-16,31-32H,(H,33,34,35)(H,36,37,38);;

InChIKey

InChIKey=CUROJYZBFQWOAI-UHFFFAOYSA-N

SMILES

C(=CC1=C(S(=O)(=O)O)C=C(N=NC2=CC=C(O)C=C2)C=C1)C3=C(S(=O)(=O)O)C=C(N=NC4=CC=C(O)C=C4)C=C3.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=CC(N=NC2=CC=C(O)C=C2)=CC=C1C=CC3=CC=C(N=NC4=CC=C(O)C=C4)C=C3S(=O)(=O)O

Other Names for this Substance

  • Benzenesulfonic acid, 2,2′-(1,2-ethenediyl)bis[5-[2-(4-hydroxyphenyl)diazenyl]-, sodium salt (1:2)
  • C.I. Direct Yellow 4, disodium salt
  • Brilliant Yellow C
  • C.I. Direct Yellow 4
  • Benzenesulfonic acid, 2,2′-(1,2-ethenediyl)bis[5-[(4-hydroxyphenyl)azo]-, disodium salt

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