Exploring the Solubility and Solvation Thermodynamics of Coumarin in a Range of Aqua-Organic Solvents Sintu Ganai, Puspal Mukherjee, Kalachand Mahali, Avishek Saha, Aslam Hossain, Alexander V Soldatov, Ahmed Henaish, Jahangeer Ahmed and Sanjay Roy Abstract In this study, we investigated the solubilities of coumarin in aqueous solution and binary mixtures of N,N-dimethylformamide (DMF), acetonitrile (ACN), and dimethylsulfoxide (DMSO) through experimental measurement.