2-Pentanediol dimethyl ether is a versatile and environmentally friendly solvent with a faint ether-like odor, appropriate evaporation rate, excellent chemical stability, outstanding solubility properties, and high safety for humans. It is classified as a Non HAP/NAP (Non-hazardous in the list of air pollution) green solvent by the United States and the European Union. Usually, 2-pentanediol dimethyl ether can be used in water-based and curing coatings, and can replace N-methylpyrrolidone for cleaning agents in the electronics industry. In addition, it can also be used in the synthesis of polyimides, etc.