APPLICATIONS: Its primary use is as an extraction solvent for unsaturated hydrocarbons (especially butadiene)and as a general purpose solvent for many compounds including fatty acids and oils based on its selective miscibility.Used as a general purpose solvent for many compounds.Used in the production of fibers,rubbers,and resins.It is replacing acrylonitrile,an important starting material in the manufacture of fabrics,plastics,and synthetic rubber.Used as a chemical intermediate in pesticide,perfume and pharmaceutical manufacturing.Used in high-performance liquid and gas chromatographic analysis.Used in extraction and refining of copper.