Azo polyether dyestuffs, formulations of these dyestuffs, their preparation and their use

Dyestuff formulation comprising

• (a) an azo dyestuff which is free from sulphonic acid groups and ammonium groups and which contains at least one of ##STR240## wherein G is selected from the group consisting of C.sub.2 -C.sub.6 alkylene, ##STR241## A is C.sub.2 -C.sub.6 -alkylene, X is selected from the group consisting of hydrogen, Y, --COY and --CONR.sub.1 R.sub.2,
• Y is selected from the group consisting of alkyl, cycloalkyl, aralkyl, aryl, and substituted alkyl, cycloalkyl, aralkyl and aryl,
• R.sub.1 is selected from the group consisting of hydrogen and Y,
• R.sub.2 is selected from the group consisting of hydrogen, alkyl and substituted alkyl, and
• n is a number from 1 to 7 and n is at least 2 if X is --COY, and
• (b) an emulsifying polar-nonpolar compound.