Monoazo compounds

摘要

Compounds of the formula <IMAGE> where R1 is a branched C3- to C7-alkyl radical and R2 and R3 are independently of each other a C2- to C4-alkyl radical, and also mixtures of these compounds which contain at least two compounds of the above formula and differ in at least one of the substituents R1, R2 and R3, are very highly suitable in particular for use as dyes for dyeing and printing polyester materials in level blue shades.