有愉快的气味和灼烧味，易流动，极易从空气中吸收水分，能与水和氯仿、乙醚等多种有机溶剂混溶。能与水形成共沸混合物（含水4.43%），易燃。蒸气与空气能形成爆炸性混合物，爆炸极限3.5%-18.6%(体积)。溶剂，分析镍、钾、镁及脂肪的酸价，萃取剂，脱水剂，清洗剂。

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.