2-Naphthalenesulfonic acid, 5(or 8)-[2-(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-8(or 5)-[2-[6(or 7)-sulfo-4-[2-(3-sulfophenyl)diazenyl]-1-naphthalenyl]diazenyl]-, sodium salt (1:4)

CAS Registry Number®

33540-94-2

CAS Name

2-Naphthalenesulfonic acid, 5(or 8)-[2-(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-8(or 5)-[2-[6(or 7)-sulfo-4-[2-(3-sulfophenyl)diazenyl]-1-naphthalenyl]diazenyl]-, sodium salt (1:4)

Molecular Formula

C36H25N7O13S4.4Na

Cite this Page

2-Naphthalenesulfonic acid, 5(or 8)-[2-(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-8(or 5)-[2-[6(or 7)-sulfo-4-[2-(3-sulfophenyl)diazenyl]-1-naphthalenyl]diazenyl]-, sodium salt (1:4).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=33540-94-2 (retrieved 2024-11-22) (CAS RN: 33540-94-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

Other Names for this Substance

  • 2-Naphthalenesulfonic acid, 5(or 8)-[2-(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-8(or 5)-[2-[6(or 7)-sulfo-4-[2-(3-sulfophenyl)diazenyl]-1-naphthalenyl]diazenyl]-, sodium salt (1:4)
  • 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[[6(or 7)-sulfo-4-[[6(or 7)-sulfo-4-[(3-sulfophenyl)azo]-1-naphthalenyl]azo]-1-naphthalenyl]azo]-, tetrasodium salt
  • C.I. Direct Blue 74
  • C.I. 34146
  • Benzanil Fast Blue RK

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Deleted or Replaced CAS Registry Numbers

8002-99-1

CAS INSIGHTSTM
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