| 摘要 |
PROBLEM TO BE SOLVED: To provide a reactive dye which gives a black dyed matter excellent in resistance to perspiration and sunlight and in resistance to washing. SOLUTION: The reactive dye composition comprises a red dye (I) and a blue dye (II): [in the formulae, m is 0 or 1, R1 is hydrogen or methyl, Z1 is a specific heterocyclic reactive group, R8 and R9 are each hydrogen, a replaceable alkyl, a replaceable alkoxy or the like, and Y3 and Y4 are each a vinylsulfonic fiber reactive group or the like].
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