Anthraquinone reactive dyes

A reactive dye compound of formula I, ##STR51## in which Y is hydrogen or sulpho,

• X is a straight chain or branched (C.sub.2-6) alkylene group or ##STR52## in which each of A.sub.1 and A.sub.2, independently, is a direct bond or a (C.sub.1-4)alkylene group, n is 1 or 2 and the ring D is optionally substituted by up to three (C.sub.1-4)alkyl groups,
• with the proviso that when n is 2, the group ##STR53## is the radical of an unsymmetrical diamine, R.sub.1 is hydrogen;
• (C.sub.1-4)alkyl;
• (C.sub.2-4)alkyl substituted in the .beta.-, .gamma.- or .delta.-position by hydroxy and/or carboxy;
• or (C.sub.5-6)cycloalkyl or (C.sub.1-4)alkyl-substituted (C.sub.5-6)cycloalkyl
• Y.sub.1 is Hal, --NR.sub.2 R.sub.3, OR.sub.4 or SR.sub.4
• each Hal is fluorine or chlorine, either, each of R.sub.2 and R.sub.3, independently, is hydrogen;
• (C.sub.1-4)alkyl;
• .beta.-, .gamma.- or .delta.-hydroxy-substituted (C.sub.2-4) alkyl;
• cyclohexyl;
• phenyl;
• phenyl substituted by 1 or 2 substituents selected from the group consisting of fluorine, chlorine, bromine, (C.sub.1-4)alkyl, (C.sub.1-4)alkoxy, sulpho and carboxyl;
• naphthyl;
• naphthyl substituted by 1 or 2 substituents selected from the group consisting of sulpho and carboxyl;
• or sulpho- or carboxyl-substituted (C.sub.1-4)alkyl,
• or R.sub.2 and R.sub.3 together with the nitrogen atom to which they are bound form a piperidine or morpholine ring,
• R.sub.4 is (C.sub.1-4)alkyl;
• .beta.-, .gamma.- or .delta.-hydroxy-substituted (C.sub.2-4)alkyl;
• phenyl;
• or phenyl substituted by 1 or 2 substituents selected from the group consisting of fluorine, chlorine, bromine, (C.sub.1-4)alkyl, (C.sub.1-4)alkoxy, sulpho and carboxyl,
• which compound is in free acid or water-soluble salt form.