| abstract |
(57) [Summary]nPROBLEM TO BE SOLVED: To provide a new orange coupler used in an oxidative hair dye composition and system.nSOLUTION: In the formula (1), R is C 1 -C 2 R is selected from the group consisting of alkyl and hydroxyethyl; 1 Is hydrogen, hydroxy, nitro, halogen, C 1 -C 5 Alkyl or haloalkyl, C 1 -C 5 Alkoxy or cyclic alkoxy, C 1 -C 5 Hydroxyalkyl and C 1 -C 5 Ar is an aromatic group; and y = 1-3), the coupler of a hair dye composition for oxidative hair dye.nEmbedded image |