FIELD: chemistry.
SUBSTANCE: invention relates to novel reactive dyes for dyeing or printing on fibrous textiles. Reactive dye of formula 
where R1 -optionally substituted C1-C4alkyl, R2 - sulfo group, Z1 -SO2-Y, -CO-NH-(CH2)k-SO2-Y, -NH-CO-CH(Hal)-CH2-HaI or -NH-CO-C(Hal)=CH2, where Hal - chlorine or bromine atom, Y - vinyl or -CH2CH2-U, U - an alkali-removable group, k - a number equal to 2, 3, 4, 5 or 6; n - a number equal to 0, 1 or 2; m - a number equal to 0 or 1, is described.
EFFECT: dyeing of hydroxyl-containing or nitrogen-containing fibrous materials with high colourability and good strength properties.
5 cl, 10 ex
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