Disazo dyestuffs having an alkoxy group on the first and/or second component

Abstract

Abstract Compounds of the formula ##STR1## in which A 1 and A 2 may be hydrogen, alkyl, alkoxy, hydroxy, halo, trifluoromethyl, alkoxyalkoxy, hydroxyalkyl, hydroxyalkoxy, alkoxyalkyl, sulfamoyl, N-alkylsulfamoyl, carboxylic acyl or carboxylic acylamino, B 1 and B 2 are each hydrogen, lower alkoxy, lower alkyl, chloro, bromo, trifluoromethyl, alkoxyalkoxy, hydroxyalkyl, hydroxyalkoxy, or alkoxyalkyl, wherein at least one of A 1 , A 2 , B 1 , or B 2 is alkoxy, and D represents a hydroxy or amino naphthyl or a benzylamino substituted phenyl group, are valuable dyestuffs for natural and synthetic polyamide fibers giving substantially complete exhaustion from neutral or acid aqueous dyebaths without further addition of chemical agents.

Inventors

• 👤 Hans A. Stingl

Bibliographic Details