Propionitrile, act as solvents and are reacted further for various application including, Extraction solvent for fatty acids, oils and unsaturated hydrocarbons, Solvent for spinning and casting, removing agent of colouring matters and aromatic alcohols, Non-aqueous solvent for titrations and for inorganic salts, Recrystallization of steroids, Parent compound for organic synthesis, chemical intermediate in biochemistry, Catalyst and component of transition-metal complex catalysts, Stabilizer for chlorinated solvents, Chemical intermediate and solvent for perfumes and pharmaceuticals. It is used as a dielectric fluid.