The colorimetric method uses molybdenum and cesium as thiocyanide and aluminum as benzoquinone. When using oxine or iodide as a solvent for the determination of scandium, colored substances can be extracted. Rubber, resin and nitrocellulose solvents. Insecticides. Mainly used in the preparation of cyclohexanone (further to obtain caprolactam) and adipic acid, also used in the preparation of plasticizers (such as cyclohexyl phthalate), surfactants and as industrial solvents. Used for making adipic acid, plasticizers, detergents, etc. Also used for solvents and emulsifiers.