Chromotrope 2R

CAS Registry Number®

4197-07-3
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CAS Name

Chromotrope 2R

Molecular Formula

C16H12N2O8S2.2Na

Cite this Page

Chromotrope 2R.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=4197-07-3 (retrieved 2021-10-17) (CAS RN: 4197-07-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C16H12N2O8S2.2Na/c19-12-8-11(27(21,22)23)6-9-7-13(28(24,25)26)15(16(20)14(9)12)18-17-10-4-2-1-3-5-10;;/h1-8,19-20H,(H,21,22,23)(H,24,25,26);;

InChIKey

InChIKey=HKJCYVHPXAKYEJ-UHFFFAOYSA-N

SMILES

OC=1C2=C(C=C(S(=O)(=O)O)C1N=NC3=CC=CC=C3)C=C(S(=O)(=O)O)C=C2O.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C=1C=C(O)C2=C(O)C(N=NC=3C=CC=CC3)=C(C=C2C1)S(=O)(=O)O

Other Names for this Substance

  • 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-(2-phenyldiazenyl)-, sodium salt (1:2)
  • C.I. Acid Red 29, disodium salt
  • Chromotrope 2R
  • C.I. Acid Red 29
  • 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-(phenylazo)-, disodium salt