Some novel heterocyclic monoazo dyes based on 2-amino-5-mercapto-1,3,4-thiadizole have been synthesized by coupling with various N-phenylacrylamide derivatives. The dyeing performance of these dyes was assessed on polyester fabrics. IR and visible spectra of the dyes were examined. The percentage dye bath exhaustion, fixation, and various fastness properties of the dyes were also determined. These dyes were found to give brownish-orange to reddish-pink shades on dyeing with good depth, levelness, and brightness on fabric. The dyed fabric showed a good to excellent fastness to washing, rubbing, perspiration, and sublimation.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 10, pp. 1558-1563, October, 2009.
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Maradiya, H.R. Disperse dyes derived from 2-amino-5-mercapto-1,3,4-thiadiazole. Chem Heterocycl Comp 45, 1252–1256 (2009). https://doi.org/10.1007/s10593-010-0415-3
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DOI: https://doi.org/10.1007/s10593-010-0415-3