CAS 2611-82-7 Acid Red 18 Chemical Report & Database ... Name: Acid Red 18: Acid-Red-18; C.I. 16255; Cochineal Red A; New Coccine; Trisodium ... 16255; Cochineal Red A; New Coccine; Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate ... or Reaction Intermediate The Acid Red 18 Report & Database gives ...