tetrahüdofuraan

Tetrahydrofuran (THF), also known as oxolane, is an organic compound with the formula (CH2)4O. It is a colorless, water-miscible organic liquid with a low viscosity and a distinctive ether-like odor. THF is a polar aprotic solvent, meaning it can dissolve a wide range of polar and nonpolar compounds. It is widely used as a solvent in various industrial and laboratory applications.

Industrially, THF is primarily produced by the dehydration of 1,4-butanediol. Another common method involves the hydrogenation of furan. Its primary application is as a precursor to polytetramethylene ether glycol (PTMEG), which is used to make elastic fibers like Spandex. THF is also employed as a solvent for PVC, in varnishes, adhesives, and as a reaction medium for Grignard reagents and lithium aluminum hydride.

In laboratories, THF is a common solvent for chemical reactions and for dissolving polymers. Its ability to dissolve many organic and inorganic compounds makes it versatile. However, THF can form explosive peroxides upon exposure to air and light, especially when stored for extended periods. Therefore, it is typically stored with stabilizers or under an inert atmosphere. It is important to handle THF with caution due to its flammability and potential for peroxide formation.