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          THFTetrahydrofuran
          THF is a kind of heterocyclic organic compounds. It is one of the strong polarity ethers and can be used as medium polar aprotic solvents in chemical reaction and extraction. THF is a kind of colorless and volatile liquid, which smells similar to ether and is soluble in most of the organic solvent as water, ethanol, ether, acetone and benzene. THF can be used as solvent , raw material in organic synthesis , chromatographic analysis reagent, organic solvents and PTMEG. As a kind of important organic synthetic raw material, solvent with good performance and reaction solvent, THF can be used in electroplating aluminum liquid to control the thickness and light of layer.