One Seed includes the dye hair Hair dyestuffs of the compound indicated with the following general formula (I).[in formula, R1And R2Fen Do Independence found the alkyl of As Hydrogen atoms or the carbon Number As 1 ~ 5 of straight Chain or branch Chain, An-Fen Do Biao Shi No Machine Overcast From, You Machine Overcast From Huo Wrong Which Overcast From. ]一種包含以下述通式(I)表示之化合物之染毛髮用染料。[式中,R1及R2分別獨立為氫原子或者直鏈或支鏈之碳數為1~5之烷基,An-分別表示無機陰離子、有機陰離子或錯鹽陰離子。]