NMP is a colorless clear oily liquid with a little amine odor. It can be dissolved with water, alcohol, ether, ester, halohydrocarbon, aromatic hydrocarbon and castor oil. It has the advantages of low toxicity, high boiling point, high solubility, Low volatility, better selectivity and good stability. NMP can volatilize with vapour. It is photosensitive and has strong moisture absorbability.
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 with water and soluble in ethanolm,diethyl ether, benzene and acetone. GBL can dissolve organics and inorganic compound, which has wide range of applications in petrochemical, medicine, pesticide and etc.