Synonyms: Pinacyanol chloride;QUINALDINE BLUE;Vernitest;Pinacyanochloride;Vernitest reagent;1,1'-Diethyl-2,2'-carbocyanine chloride;Chinaldinblau;2768-90-3;Chinaldina cerulea;Azul de quinaldina;Bleu de quinaldine;Quinaldinum coeruleum;AC1L2AIK;AC1O4BUE;Chinaldina cerulea [DCIT];UNII-91SZ6DGY86;Quinaldine blue (USAN/INN);605-91-4 (iodide);201715_ALDRICH;14124-47-1 (tosylate);Bleu de quinaldine [INN-French];Azul de quinaldina [INN-Spanish];Quinaldinum coeruleum [INN-Latin];EINECS 220-457-1;2,2'-Trimethinequinocyanine chloride;NSC 56808;P0156;ST50826310;1,1'-Diethyl-2,2'-quinocarbocyanine chloride;D05672;(2E)-1-ethyl-2-[(E)-3-(1-ethylquinolin-1-ium-2-yl)prop-2-enylidene]quinoline chloride;1-Ethyl-2-(3-(1-ethyl-2(1-H)-quinolinylidene)-1-propenyl)quinolinium chloride;1-Ethyl-2-(3-1-ethyl-1,2-dihydro-2-chinolyliden)-1-propenyl)chinolium chlorid;1-ethyl-2-[3-(1-ethylquinolin-1-ium-2-yl)prop-2-enylidene]quinoline chloride;Quinolinium, 1-ethyl-2-(3-(1-ethyl-2(1H)-quinolinylidene)-1-propenyl)-, chloride;Quinolinium, 1-ethyl-2-(3-(1-ethyl-2(1H)-quinolylidene)propenyl)-, chloride (8CI);Quinolinium, 1-ethyl-2-(3-(1-ethyl-2(1H)-quinolinylidene)-1-propen-1-yl)-, chloride (1:1)