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Direct Red 31

  • Product Name:   Direct Red 31
  • Syonyms Name:   C.I.Direct Red 31; Disodium 7,7'-iminobis(4-hydroxy-3-(phenylazo)naphthalene-2-sulphonate); Direct Pink 5B; 2-Naphthalenesulfonic acid, 7,7'-iminobis(4-hydroxy-3-(2-phenyldiazenyl)-, sodium salt (1:2); 2-Naphthalenesulfonic acid, 7,7'-iminobis(4-hydroxy-3
  • CAS Number.:   5001-72-9
  • MF:   C32H21N5Na2O8S2
  • MW:   713.6474


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