| 摘要 |
<p>GOLDEN-YELLOW NOVEL WATER-SOLUBLE MONOAZO COMPOUNDS, PROCESS FOR PREPARING THEM AND THEIR USE AS DYESTUFFS of the disclosure: Monoazo compounds having in form of the free acid the formula 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 tinotorial strength, excellent build-up and good to very good fastness properties.</p> |
