Monoazo dyes - prepd from 4-amino benzoic esters and n,n-diethyl n'-benzoyl m-phenylene diamine, for hydrophobic fibres

摘要

The dyes are of formula: (in which R is alkyl or aralkyl, pref. 1-6 C alkyl or benzyl) and they are suitable for dyeing and printing hydrophobic fibres e.g. cellulose esters, aromatic polyesters and esp. polyamides in roange to red shades of good general fastness.