Synthesis of Some New Azo Disperse Dyes and Investigation of Their Solvatochromic Effect

Subject Areas : Journal of Physical & Theoretical Chemistry

M. Yari ¹ , S. Sedaghat ² , M. Hekmati ³

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Received: 2015-05-09 Accepted : 2015-05-09 Published : 2008-05-01

Keywords: Mono and Bis Azodyes, Solvatochromic Effect, P-Amino Benzoic Acid,

Abstract :

The synthesis and properties of new monoazo dyes derived from the diazonium salts of paminobenzoic acid, 3-trifluoromethyl aniline , 4-trifluoromethyl aniline are considered .Theprepared compounds were characterized by UV-Visible , FT-IR and H NMR spectroscopictechniques . The effect of varying solvent upon the absorption ability of p-amino benzoic acidcoupled with 4,4 —diethyl aniline , aniline ethanol, 2 — naphthol and 2,4 -dihydroxy benzene wasexamined.

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Synthesis of Some New Azo Disperse Dyes and Investigation of Their Solvatochromic Effect