The dye for the dyeing hair which consists of the chemical compound which is displayed with below-mentioned general formula (i).< Conversion 1 >[In formula, R1 and R2, in the respective independence, the hydrogen atom or direct or carbon count alkyl group 1 of divergence - 5, the inorganic anion, the organic anion or the complex salt anion, shows An - respectively. ]下記一般式(I)で表される化合物からなる染毛用染料。【化1】[式中、R1及びR2は、それぞれ独立に、水素原子又は直鎖若しくは分岐の炭素数1~5のアルキル基、An-は無機陰イオン、有機陰イオン又は錯塩陰イオン、をそれぞれ示す。]