Direct Red 2

CAS Registry Number®

992-59-6

CAS Name

Direct Red 2

Molecular Formula

C34H28N6O6S2.2Na

Cite this Page

Direct Red 2.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=992-59-6 (retrieved 2024-11-24) (CAS RN: 992-59-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C34H28N6O6S2.2Na/c1-19-15-21(11-13-27(19)37-39-29-17-31(47(41,42)43)23-7-3-5-9-25(23)33(29)35)22-12-14-28(20(2)16-22)38-40-30-18-32(48(44,45)46)24-8-4-6-10-26(24)34(30)36;;/h3-18H,35-36H2,1-2H3,(H,41,42,43)(H,44,45,46);;

InChIKey

InChIKey=YOPDKQWCDBTFII-UHFFFAOYSA-N

SMILES

S(=O)(=O)(O)C=1C2=C(C(N)=C(N=NC3=C(C)C=C(C=C3)C4=CC(C)=C(N=NC5=C(N)C6=C(C(S(=O)(=O)O)=C5)C=CC=C6)C=C4)C1)C=CC=C2.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=CC(N=NC=2C=CC(=CC2C)C3=CC=C(N=NC=4C=C(C=5C=CC=CC5C4N)S(=O)(=O)O)C(=C3)C)=C(N)C=6C=CC=CC61

Other Names for this Substance

  • 1-Naphthalenesulfonic acid, 3,3′-[(3,3′-dimethyl[1,1′-biphenyl]-4,4′-diyl)bis(2,1-diazenediyl)]bis[4-amino-, sodium salt (1:2)
  • C.I. Direct Red 2, disodium salt
  • 1-Naphthalenesulfonic acid, 3,3′-[(3,3′-dimethyl[1,1′-biphenyl]-4,4′-diyl)bis(azo)]bis[4-amino-, disodium salt
  • C.I. Direct Red 2
  • C.I. 23500

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Deleted or Replaced CAS Registry Numbers

70248-71-4, 179472-45-8, 1079993-65-9, 1082260-20-5

CAS INSIGHTSTM
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