Importance

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Abstract

Fiber-reactive compounds of the formula X-O.sub.2 S-W.sub.1 [F.sub.c ]W.sub.2 -NR-Z, and water-soluble salts thereof each cation of which is independently a non-chromophoric cation, and mixtures of such compounds or water-soluble salts, wherein Fc is a chromophore-containing radical of a monoazo, disazo, polyazo, formazan, anthraquinone, dioxazine, phenazine or azomethine dye, which is in metal-free or metal complex form, each of W.sub.1 and W.sub.2 is independently a direct bond or a bridging group which is attached to a carbon atom of an aromatic carbocyclic ring or to a carbon or nitrogen atom of an aromatic heterocyclic ring present in F.sub.c, X is --CH.dbd.CH.sub.2 or --C.sub.2-4 alkylene--Y, wherein Y is hydroxy or a group which can be split off under alkaline conditions, R is hydrogen, C.sub.1-4 alkyl or C.sub.1-4 alkyl monosubstituted by hydroxy, halo, cyano, --SO.sub.3 H, --OSO.sub.3 H or --COOH, and Z is ##STR1## with the provisos as set forth herein.

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First Claim