Monoazo compounds having in form of the free acid the formula IMAGE in which R represents alkyl from 1 to 4 carbon atoms and X represents vinyl, beta -chloroethyl, beta -dialkylaminoethyl, beta -thiosulfatoethyl, beta -phosphatoethyl or beta -sulfatoethyl, said compounds representing dyestuffs being suitable for the dyeing and printing of native and synthetic nitrogen-containing fibers and being highly suitable for the dyeing or printing of cellulose fibers, yielding on said fibrous materials dyeings and prints of a rare and desired golden-yellowish tint of considerable tinctorial strength, excellent build-up and good to very good fastness properties.
展开▼
