This invention relates to a disulfide oxazine dyes of formula (1):(1)wherein,A is hydrogen, to a radical of the formula (1a)(1a)Y 1 and Y 2 are each independently a substituted or unsubstituted , straight or branched chain, has an element in the middle of the chain, with or without C 1 -C 10 alkylene C 5 -C 10 cycloalkylene C 5 -C 10 arylene Or -C5-C10 -(C1-C10 )Z1 And Z 2 are independently from each other * - (CH 2 ) p -C (O) - ** * - (CH 2 CH 2 -O) s - ** * - (CH 2 ) p -C (O) O - ** * - (CH 2 ) p -OCO - ** * - (CH 2 ) p -N (R 1 ) - ** * - (CH 2 ) p -CON (R 1 ) - ** * - (CH 2 ) p - (R 1 ) NC (O) - ** -O- -S- -S (O) - -S (O) 2 - Or the formula (1a), (1b), (1c), (1d) or (1e) and the cation radical of a substituted or unsubstituted aromatic or heteroaromatic compound that is a ring:wherein,asterisks Risk (*) are D 1 and / or D 2 refers to the connection betweenasterisk (*) are Y 1 and / or Y 2 refers to the connection betweenW 1 is N or radical CR 5 andR 1 , R 2 , R 3 , R 4 and R 5 is independently hydrogen C 1 -C 14 alkyl C 2 -C 14 alkenyl C 5 -C 10 aryl C 5 -C 10 aryl - (C 1 -C 10 alkyl) Or -C 1 -C 10 alkyl (C 5 -C 10 aryl)D 1 and D 2 is the residue of an organic dye selected from a radical of the formula (1f) to independently:(1f)R 6 and R 7 is independently hydrogen C 1 -C 20 alkyl C 1 -C 20 alkyl C 3 -C 6 cycloalkyl C 5 -C 10 aryl I nelreyi Federated aromatic group Carboxylate Or sulfonate groupR 8 , R 9 , R 10 , R 11 and R 12 is independently hydrogen Substituted or unsubstituted, linear or branched, monocyclic or polycyclic, have the intermediate element in the chain, with or without C 1 -C 14 alkyl, C 2 -C 14 alkenyl, C 6 -C 10 aryl, C 6 - C 10 aryl -C 1 -C 10 alkyl or C 5 -C 10 alkyl (C 5 -C 10 aryl), or OrR 8 and R 9 or R 10 and R 11 is connected to the nitrogen form a 5- to 7-membered carbocyclic r
