Diisopropyl ether is a good solvent for animal, vegetable and mineral oils and fats, and can be used to extract nicotine from tobacco; it is also a good solvent for paraffin and resin. In industry, diisopropyl ether is often mixed with other solvents to apply Chemicalbook for paraffin wax. Dewaxing of base oils. As a solvent, it is also used in pharmaceuticals, smokeless powders, coatings and paint cleaning. Diisopropyl ether has high octane number and anti-freezing properties, and can be used as gasoline admixture.