Synonyms: Benzo[a]phenazinium,5-[[4-(diethylamino)-3-sulfophenyl]amino]-9-[ethyl[(3-sulfophenyl)methyl]amino]-7-phenyl-,hydroxide, inner salt, monosodium salt; Benzo[a]phenazinium,5-[[4-(diethylamino)-3-sulfophenyl]amino]-9-[ethyl[(3-sulfophenyl)methyl]amino]-7-phenyl-,inner salt, monosodium salt (9CI); Indocyanine B (6CI); Acid Fast Blue B;Benzyl Fast Blue DB; C.I. 50335; C.I. Acid Blue 98; Pergacid Blue 6 R; SilkBlue NDS; Supranol Fast Cyanine B