Abstract

Deep eutectic solvent (DES) is a new environmental friendly solvent. The characteristics of the salt molar ratio greatly influence the characteristics of DES/hydrogen bond donor (HBD) and HBD constituent species.DES was synthesized from salt ChCl and HBD D-Glucose and Ethylene Glycol at different molar ratios will be observed. Freezing, density, pH and viscosity are some characteristics of DES. The result showed that the molar ratio ChCl:D-glucose to generate DES with freezing point and density was the lowest in the molar ratio 2:1 (<20 °C and 1.26352 g/ml) and the molar ratio of ChCl:Ethylene Glycol to generate DES with freezing point, density and viscosity was the lowest on the molar ratio 1: 2.5 (<10 °C, 1.11473 g/ml and 22.049 cP). In addition, the ChCl/D-Glucose–based DES and ChCl/Ethylene Glycol which was produced has a pH in the neutral range

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