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Fourth generation of ionic liquids, relatively cheaper and environmental friendly, is called deep eutectic solvents (DESs). Generally, at present time are extensively recognized as novel remarkable as well as green alternative solvents to the conventional ionic liquids owing to their low cost and tolerance to moisture. DESs first came to the public vision in 2001, since then, researches and applications of deep eutectic solvents can cover, almost, all of the fields of science. In this study the physical, thermal and structural properties of 1ChCl: 2Urea based ionic liquids is reported. Firstly, the physical properties, in terms of viscosity, conductivity and density as a function of temperature are investigated intensively. Later, the microscopic structure of 1ChCl: 2Urea is studied by means of FTIR spectroscopy. Finally, the thermal properties, in terms of melting temperature and thermal stability, are also reported in this investigation. Overall, the obtained data and inspections are in an excellent agreement with the previous studies.