... colorless, odorless liquidSolubility: Soluble in water and alcohol. Insoluble in benzene, ether, chloroform, ... in a variety of applications, glycerol is used as a solvent, plasticizer and humectant. In polyacrylamide gel electrophoresis, glycerol is used in ... sample preparation and gel formation. At a concentration of 5-10%, glycerol is used ...