Acid Orange 51

CAS Registry Number®

8003-88-1

CAS Name

Acid Orange 51

Molecular Formula

C36H28N6O11S3.2Na

Cite this Page

Acid Orange 51.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=8003-88-1 (retrieved 2024-11-23) (CAS RN: 8003-88-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

Other Names for this Substance

  • Benzenesulfonic acid, 5(or 8)-[2-[3-methyl-4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]diazenyl]-8(or 5)-[2-[4-[(4-nitro-2-sulfophenyl)amino]phenyl]diazenyl]-, sodium salt (1:2)
  • 2-Naphthalenesulfonic acid, 5(or 8)-[[3-methyl-4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-8(or 5)-[[4-[(4-nitro-2-sulfophenyl)amino]phenyl]azo]-, disodium salt
  • C.I. Acid Orange 51
  • C.I. 26550
  • Erionyl Brown RXL

View All

Deleted or Replaced CAS Registry Numbers

73681-17-1

CAS INSIGHTSTM
Hourglass and a clock