C.I. Pigment Red 49

CAS Registry Number®

1248-18-6

CAS Name

C.I. Pigment Red 49

Molecular Formula

C20H14N2O4S.Na

Cite this Page

C.I. Pigment Red 49.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=1248-18-6 (retrieved 2024-11-22) (CAS RN: 1248-18-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C20H14N2O4S.Na/c23-18-12-10-13-5-1-3-7-15(13)19(18)22-21-17-11-9-14-6-2-4-8-16(14)20(17)27(24,25)26;/h1-12,23H,(H,24,25,26);

InChIKey

InChIKey=OOXCWLHRJLDZJZ-UHFFFAOYSA-N

SMILES

S(=O)(=O)(O)C=1C2=C(C=CC1N=NC=3C4=C(C=CC3O)C=CC=C4)C=CC=C2.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=C(N=NC2=C(O)C=CC=3C=CC=CC32)C=CC=4C=CC=CC41

Other Names for this Substance

  • 1-Naphthalenesulfonic acid, 2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1)
  • C.I. Pigment Red 49, monosodium salt
  • 1-Naphthalenesulfonic acid, 2-[(2-hydroxy-1-naphthalenyl)azo]-, monosodium salt
  • C.I. Pigment Red 49
  • 11935 Red

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Deleted or Replaced CAS Registry Numbers

12237-77-3

CAS INSIGHTSTM
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