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
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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
C36H25N7O13S4.4NaCite 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 ) (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
Deleted or Replaced CAS Registry Numbers
8002-99-1
