It has a pleasant smell and burning taste, is easy to flow, easily absorbs moisture from the air, and can be miscible with water, chloroform, ether and other organic solvents. It can form an azeotropic mixture with water (4.43% water content) and is flammable. Vapor and air can form an explosive mixture with an explosion limit of 3.5%-18.6% (volume). Solvent, analyze the acid value of nickel, potassium, magnesium and fat, extractant, dehydrating agent, cleaning agent.