Red 40

Red 40 is classified chemically as a monoazo color. It conforms to the formula: C18H16N2O8S2 • 2Na.
CAS Numbers:
  • 25956-17-6
EC/List Numbers:
  • 247-368-0
Technical Names:
  • 2-Naphthalenesulfonic Acid, 6-Hydroxy-5-((6-Methoxy-4-Sulfo-m-Tolyl)Azo)-, Disodium Salt
  • 2-Naphthalenesulfonic Acid, 6-Hydroxy-5-[(2-Methoxy-5-Methyl-4-Sulfophenyl)Azo]-, Disodium Salt
  • 6-Hydroxy-5-[(2-Methoxy-5-Methyl-4-Sulfophenyl)Azo]-2-Naphthalenesulfonic Acid, Disodium Salt
  • CI 16035 (INCI)
  • Curry Red (INCI)
  • FD&C Red No. 40
  • Red 40 (INCI)
Product Categories:
  • Cleaning Products
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