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Novel acid mono azo and mordent acid mono azo dyes were synthesis by the coupling of diazonium salt solution of different aromatic amines with 2-hydroxy-4-methoxybenzophenone. The resulting dyes were characterized by spectral techniques, i.e., elemental analysis, IR, 1 H-NMR and UV-visible spectroscopy. The dyeing performance of all the dyes was evaluated on wool and silk fabrics. The dyeing of chrome pre-treated wool and silk fabrics showed better hues on mordented fabrics. Dyeing of wool and silk fabrics resulted in pinkish blue to red shades with very good depth and levelness. The dyed fabrics showed excellent to very good light, washing, perspiration, sublimation and rubbing fastness. The results of antibacterial studies of chrome pre-treated fabrics revealed that the toxicity of mordented dyes against E. coli, S. aureus, S. typhi, B. subtilis bacteria was fairly good.

journal of the serbian chemical society

Synthesis, characterization and dyeing assessment of novel acid azo dyes and mordent acid azo dyes based on 2- hydroxy-4-methoxybenzophenone on wool and silk fabrics