Solvatochromic and electrochemical properties of new thermally stable azo-azomethine dyes with N2S2O2 donor set of atoms

► New bis-iminated water insoluble azo-azomethine dyes have been synthesized. ► Solvatochromic properties of the dyes in various organic solvents have been investigated. ► Thermal behavior of the prepared dyes has been reported.