Fibre-reactive dyes and dye mixtures and their use

摘要

The invention relates to dye mixtures which contain dyes of the formulae (1) and (2) and to dyes of the formula (2a) in which A1, A2, A3, B, B1, R1, R2, R3, R4, R5, Z1, Z2, X1, X2 and X3 are as defined in claim 1. The dyes and dye mixtures are distinguished by generally good properties and produce dyeings and prints having good wet and light fastness properties.