GBL is a fine chemical intermediates with the advantages of high solubility, good electrical property and high stability. It is a colorless and clear oily liquid with aromatic odor. It can completely be dissolved in water and soluble in ethanolm, diethyl ether, benzene and acetone. Many organics and inorganic compunds can be dissloved in GBL. It has wide range of applications in petrochemical, medicine,pesticide and etc.