Acid Red 33

CAS Registry Number®

3567-66-6
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CAS Name

Acid Red 33

Molecular Formula

C16H13N3O7S2.2Na

Cite this Page

Acid Red 33.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=3567-66-6 (retrieved 2024-03-29) (CAS RN: 3567-66-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C16H13N3O7S2.2Na/c17-12-8-11(27(21,22)23)6-9-7-13(28(24,25)26)15(16(20)14(9)12)19-18-10-4-2-1-3-5-10;;/h1-8,20H,17H2,(H,21,22,23)(H,24,25,26);;

InChIKey

InChIKey=MRKUMAZUFKZXIW-UHFFFAOYSA-N

SMILES

OC=1C2=C(C=C(S(=O)(=O)O)C1N=NC3=CC=CC=C3)C=C(S(=O)(=O)O)C=C2N.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=CC(N)=C2C(O)=C(N=NC=3C=CC=CC3)C(=CC2=C1)S(=O)(=O)O

Other Names for this Substance

  • 2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-(2-phenyldiazenyl)-, sodium salt (1:2)
  • C.I. Acid Red 33
  • C.I. Acid Red 33, disodium salt
  • 2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-(phenylazo)-, disodium salt
  • Red 10B

Deleted or Replaced CAS Registry Numbers

64553-75-9

CAS INSIGHTSTM
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