| abstract |
(57) [Summary] [Structure] Formula [Chemical Formula 1] [In the formula, R 1 is an alkyl group having 3 to 6 carbon atoms, R 2 is a hydrogen atom or a methyl group, and R 3 is an alkyl group having 1 to 4 carbon atoms or an alkyloxy group having 1 to 4 carbon atoms. And M + is an organic ammonium having 6 to 20 carbon atoms, and n is 1 or 2 Is. ] A triphenylmethane salt forming dye represented by the following formula. [Effect] A dye having excellent solubility in alcoholic solvents and excellent fastness, and an ink composition containing the same are provided. |