to formula (1) of the nitro-sulfide dyes, their salts, isomers, hydrates or other solvent Use the cargo keratin - a method of dye-containing fibers are listed:(1)way out,R 1 , R 2 and R 3 is independently hydrogen One or more C 1 -C 5 alkoxy, halogen, -NH 2 , mono -C 1 -C 5 alkylamino, di -C 1 -C 5 alkylamino, -NO 2 or substituted by hydroxy which can be C 1 -C 20 alkyl or C 1 -C 20 alkyl C 3 -C 6 cycloalkyl -C (O) H -C (O) -C 1 -C 5 alkyl -C (O) OH -C (O) O-C 1 -C 5 alkyl Halogen NO 2 OH SH One or more C 1 -C 5 alkyl, C 1 -C 5 alkoxy, halogen, -NH 2 , mono -C 1 -C 5 alkylamino, di -C 1 -C 5 alkylamino, -NO 2 , or phenyl which may be substituted by hydroxy Or formula (1a) -NR 4 R 5 is a radicalR 4 and R 5 are independently selected from hydrogen One or more C 1 -C 5 alkyl, C 1 -C 5 alkyl, hydroxy or - (CO ), which can be substituted by -H C 1 -C 12 alkyl - (CO) -C 1 -C 5 alkyl Phenyl moiety has one or more C 1 -C 5 alkyl, C 1 -C 5 alkoxy, halogen, - NH 2 , mono -C 1 -C 5 alkylamino, di -C 1 -C 5 alkylamino, -NO 2 , carboxyl, or phenyl which may be substituted by hydroxyphenyl -C 1 -C 4 alkyl Or formulaof radicals is Radical R 1 , R 2 or R 3 at least one of a NO 2 andY 1 is C 1 -C 10 alkylene C 5 -C 10 cycloalkylene C 5 -C 10 arylene Or C 5 -C 10 arylene - (C 1 -C 10 alkylene), andZ 1 is a direct bond Or a saturated, aromatic or heteroaromatic group in the cationic radical (biradiacl) andQ 1 is -C (O) - -C (O) O- -OCO- -N (R 6 ) - X 2 - -CON (R 6 ) - - (R 6 ) NC (O) - -O- -S- -S (O) - Or -S (O) 2 - aX 1 and X 2 is independently a direct bond to each other C 1 -C 10 alkylene C 5 -C 10 cycloalkylene C 5 -C 10 arylene Or C 5 -C 10 arylene - (C 1 -C 10 alkylene), and AnotherR 6 , R 7 and R 8 are each independently hydrogen C 1 -C 14 alkyl C 2 -C 14 alkenyl C 6 -C 10 aryl C 6 -C 1
