• [1,1'-Biphenyl]-2,2'-disulfonicacid, 4,4'-bis[2-(2-hydroxy-6-sulfo-1-naphthalenyl)diazenyl]-, sodium salt(1:4)
  • [1,1'-Biphenyl]-2,2'-disulfonicacid, 4,4'-bis[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]-, tetrasodium salt (9CI); Acid Fast Red I; Acid Red 444; C.I. 22893; C.I. Acid Red 444
  • 89735-10-4
  • C32H22N4O14S4·4Na
  •  89735-10-4