The invention relates to compounds of formula ##STR1## wherein the variables are as claimed in the claims and which are suitable as fibre-reactive dyes for dyeing a wide range of fibre materials.

Anthraquinone dyes of the formula ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 independently of one another are hydrogen or are substituted or unsubstituted C.sub.1 -C.sub.12 alkyl, X.sub.1 and X.sub.2 independently of one another are chlorine or fluorine, B.sub.1 is a C.sub.2 -C.sub.12 alkylene radical which is unsubstituted or substituted by hydroxyl, sulfo or sulfato and is uninterrupted or is interrupted by oxygen; or is a cyclohexylene radical, C.sub.1 -C.sub.4 alkylene-cyclohexylene radical, cyclohexylene-C.sub.1 -C.sub.4 alkylene radical, C.sub.1 -C.sub.4 alkylene-cyclohexylene-C.sub.1 -C.sub.4 alkylene radical or cyclohexylene-methylene-cyclohexylene radical which is unsubstituted or is substituted in the cyclohexylene ring by C.sub.1 -C.sub.4 alkyl; or is a C.sub.1 -C.sub.4 alkylene-phenylene radical, phenylene-C.sub.1 -C.sub.4 alkylene radical or C.sub.1 -C.sub.4 alkylene-phenylene-C.sub.1 -C.sub.4 alkylene radical which is unsubstituted or is substituted in the phenylene ring by C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, sulfo, halogen or carboxyl, B.sub.2 is an aromatic bridge member, Y is hydrogen, substituted or unsubstituted C.sub.1 -C.sub.12 alkyl, or a radical of the benzene or naphthalene series, and m is the number 0 or 1, with the proviso that, if m is the number 0, the radical Y contains a fibre-reactive group with the formula ##STR2##

Reactive dyes of the formula ##STR1## in which the variables have the meanings stated in the claims, are described. The dyes according to the invention are particularly suitable for dyeing cellulosic fibre materials and give dyeings with good fastness properties and a high color yield.

Reactive dyes of the formula ##STR1## in which R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently of one another are hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 alkyl, B is an aliphatic bridge member, Y.sub.1 and Y.sub.2 independently of one another are halogen or carboxypyridinium, A.sub.1 is the radical of an anthraquinone, phthalocyanine, dioxazine, formazan or disazo dye or a radical of the formulae (2a) to (2h) defined in claim 1 and A.sub.2 is as defined above for A.sub.1 or is a radical of the formulae (2i) to (2m), where A.sub.1 and A.sub.2 have different meanings to one another, are particularly suitable for dyeing or printing fibre materials containing hydroxyl groups or containing nitrogen. Dyeings having good fastness properties coupled with a high tinctorial yield are obtained.