| abstract |
FIELD: production and use if dyes. n SUBSTANCE: invention relates to oxidative dyeing of keratin fibers and to dyeing compositions used therein. In particular, invention provides compound of following general formula I: and also addition salts thereof, wherein R represents C 1 -C 2 -alkyl, C 1 -C 2 -alkoxy, halogen atom; and m, the same or different, are integers from 0 to 4; and n is integer from 1 to 3, provided that, if n=1, then m ≠ 0. This compound is used in dyeing composition for oxidative dyeing of keratin fibers, in particular human hairs. A device for oxidative dyeing of keratin fibers with corresponding compartments is also provided. n EFFECT: improved toxicological properties of dye (compound I) and achieved intensive and uniform coloration with wide color spectrum and resistant to external effects. n 21 cl, 4 tbl, 9 ex |