2-Naphthalenesulfonic acid, 6-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3-[2-[4-[2-[4-amino-6(or 7)-sulfo-1-naphthalenyl]diazenyl]phenyl]diazenyl]-4-hydroxy-, sodium salt (1:3)
CAS Registry Number®
8003-69-8
CAS Name
2-Naphthalenesulfonic acid, 6-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3-[2-[4-[2-[4-amino-6(or 7)-sulfo-1-naphthalenyl]diazenyl]phenyl]diazenyl]-4-hydroxy-, sodium salt (1:3)Molecular Formula
C36H26N8O11S3.3NaCite this Page
2-Naphthalenesulfonic acid, 6-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3-[2-[4-[2-[4-amino-6(or 7)-sulfo-1-naphthalenyl]diazenyl]phenyl]diazenyl]-4-hydroxy-, sodium salt (1:3). CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?cas_rn=8003-69-8 (retrieved ) (CAS RN: 8003-69-8). 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, 6-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3-[2-[4-[2-[4-amino-6(or 7)-sulfo-1-naphthalenyl]diazenyl]phenyl]diazenyl]-4-hydroxy-, sodium salt (1:3)
- C.I. Direct Black 80
- 2-Naphthalenesulfonic acid, 6-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-3-[[4-[[4-amino-6(or 7)-sulfo-1-naphthalenyl]azo]phenyl]azo]-4-hydroxy-, trisodium salt
- C.I. 31600
- Phenazo Black OB
Deleted or Replaced CAS Registry Numbers
39384-51-5
