Nitrazine yellow

CAS Registry Number®

5423-07-4

CAS Name

Nitrazine yellow

Molecular Formula

C16H10N4O11S2.2Na

Cite this Page

Nitrazine yellow.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=5423-07-4 (retrieved 2025-01-10) (CAS RN: 5423-07-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C16H10N4O11S2.2Na/c21-16-11-3-2-10(32(26,27)28)5-8(11)6-14(33(29,30)31)15(16)18-17-12-4-1-9(19(22)23)7-13(12)20(24)25;;/h1-7,21H,(H,26,27,28)(H,29,30,31);;

InChIKey

InChIKey=KVIOOSGZVRFYSG-UHFFFAOYSA-N

SMILES

OC=1C2=C(C=C(S(=O)(=O)O)C1N=NC3=C(N(=O)=O)C=C(N(=O)=O)C=C3)C=C(S(=O)(=O)O)C=C2.[Na]

Canonical SMILES

[Na].O=N(=O)C1=CC=C(N=NC2=C(O)C3=CC=C(C=C3C=C2S(=O)(=O)O)S(=O)(=O)O)C(=C1)N(=O)=O

Other Names for this Substance

  • 2,7-Naphthalenedisulfonic acid, 3-[2-(2,4-dinitrophenyl)diazenyl]-4-hydroxy-, sodium salt (1:2)
  • 2,7-Naphthalenedisulfonic acid, 3-[(2,4-dinitrophenyl)azo]-4-hydroxy-, disodium salt
  • Nitrazine yellow
  • C.I. 14890
  • Delta Paper

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