80539-34-0 Ammonium, dimethyl(4-(alpha-(p-(dimethylamino)phenyl)-p-(bis(sulfobenzyl)amino)benzylidene)cyclohexa-2,5-dien-1-ylidene)-, hydroxide, inner salt, monosodium salt C.I. 42581 C.I. Food Violet 3 Methanaminium, N-(4-((4-(bis((4-sulfophenyl)methyl)amino)phenyl)(4-(dimethylamino)phenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-methyl-, hydroxide, inner salt, sodium salt Violet BNP