Red 7

Red 7 is classed chemically as a monoazo color. It conforms to the formula: C18H14N2O6S • Ca.
CAS Numbers:
  • 5281-04-9
  • 29092-56-6
EC/List Numbers:
  • 226-109-5
Technical Names:
  • 3-Hydroxy-4-[(4-Methyl-2-Sulfophenyl)Azo]-2-Naphthalenecarboxylic Acid, Calcium Salt
  • 2-Naphthalenecarboxylic Acid, 3-Hydroxy-4-[(4-Methyl-2-Sulfophenyl)Azo]-, Calcium Salt
  • Calcium 3-Hydroxy-4-[(4-Methyl-2-Sulphonatophenyl)Azo]-2-Naphthoate
  • CI 15850:1
  • D&C Red No. 7 (should be used only if batch certified by the U.S. Food and Drug Administration)
  • Pigment Red 57, Calcium Salt
  • Pigment Red 57:1 (INCI)
  • Red 7 (INCI)
  • Red No. 202
Product Categories:
  • Cleaning Products
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