Acid Red 4

Acid Red 4 is classified chemically as a monoazo color. It conforms to the formula: C17H13N2O5S.Na.
CAS Numbers:
  • 5858-39-9
EC/List Numbers:
  • 227-490-0
Technical Names:
  • 1-Naphthalenesulfonic Acid, 4-Hydroxy-3-[(2-Methoxyphenyl)Azo]-, Monosodium Salt
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