Acid Blue 9

Acid Blue 9 is classified chemically as a triphenylmethane color.
CAS Numbers:
  • 3844-45-9
EC/List Numbers:
  • 223-339-8
Technical Names:
  • Acid Blue 9 (INCI)
  • Benzenemethanaminium, N-Ethyl-N-[4-[[4-Ethyl[(3-Sulfophenyl)Methyl]Amino]Phenyl](2-Sulfophenyl)Methylene-2,5-Cyclohexadien-1-ylidene]-3-Sulfo, Hydroxide, Inner Salt, Disodium Salt
  • Blue 1 (INCI)
  • Brilliant Blue FCF
  • C.I. Acid Blue 9, Disodium Salt
  • CI 42090
  • FD&C Blue No. 1 (should be used only if batch certified by the U.S. Food and Drug Administration)
  • N-Ethyl-N-[4-[[4-Ethyl[(3-Sulfophenyl)Methyl]Amino]Phenyl](2-Sulfophenyl)Methylene-2,5-Cyclohexadien-1-ylidene]-3-Sulfobenzenemethanaminium Hydroxide, Inner Salt, Disodium Salt
Product Categories:
  • Cleaning Products
  • Industrial and Automotive Chemicals
VOC Status:
Subscription Only
Chemical Formula:
Subscription Only
Ingredient Type:
Subscription Only
Chemical Class:
Subscription Only
Ingredient Sources:
Subscription Only
Ingredient Functions:
Subscription Only
Ingredient References:
Subscription Only
Chemical Structure:
Subscription Only
EPA Safer Choice Ingredient:
Subscription Only
EPA FIFRA 25(b):
Subscription Only
REACH Listing:
Subscription Only


Subscription Only

Join Now to access all Ingredient Information

Processing