Direct Yellow 12

CAS Registry Number®

2870-32-8

CAS Name

Direct Yellow 12

Molecular Formula

C30H28N4O8S2.2Na

Cite this Page

Direct Yellow 12.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=2870-32-8 (retrieved 2024-11-23) (CAS RN: 2870-32-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C30H28N4O8S2.2Na/c1-3-41-27-15-11-23(12-16-27)31-33-25-9-7-21(29(19-25)43(35,36)37)5-6-22-8-10-26(20-30(22)44(38,39)40)34-32-24-13-17-28(18-14-24)42-4-2;;/h5-20H,3-4H2,1-2H3,(H,35,36,37)(H,38,39,40);;

InChIKey

InChIKey=VOICIIARQRFWIW-UHFFFAOYSA-N

SMILES

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

Canonical SMILES

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

Other Names for this Substance

  • Benzenesulfonic acid, 2,2′-(1,2-ethenediyl)bis[5-[2-(4-ethoxyphenyl)diazenyl]-, sodium salt (1:2)
  • C.I. Direct Yellow 12
  • Benzenesulfonic acid, 2,2′-(1,2-ethenediyl)bis[5-[(4-ethoxyphenyl)azo]-, disodium salt
  • C.I. 24895
  • Airedale Yellow CHD

View All

Deleted or Replaced CAS Registry Numbers

125622-42-6, 55208-64-5, 86168-12-9

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