Dichloromethane is a nonflammable solvent with low boiling point. It is often used to replace flammable petroleum ether and ether, and can be used as dental local anesthetic, refrigerant and fire extinguishing agent

二氯甲烷具有溶解能力强和毒性低的优点，大量用于制造电影胶片、聚碳酸酯，其余用作涂料溶剂、金属脱脂剂，气烟雾喷射剂、聚氨酯发泡剂、脱模剂、脱漆剂。

Dichloromethane has the advantages of strong solubility and low toxicity. It is widely used in the manufacture of safety film and polycarbonate. The rest is used as paint solvent, metal degreasing agent, gas smoke spray agent, polyurethane foaming agent, release agent and paint remover.

二氯甲烷为无色液体，在制药工业中做反应介质，用于制备氨苄青霉素、羟苄青霉素和先锋霉素等;还用作胶片生产中的溶剂、石油脱蜡溶剂、气溶胶推进剂、有机合成萃取剂、聚氨酯等泡沫塑料生产用发泡剂和金属清洗剂等。

Dichloromethane, a colorless liquid, is used as a reaction medium in the pharmaceutical industry for the preparation of ampicillin, benzylpenicillin and cephalosporin. It is also used as solvent, oil dewaxing solvent, aerosol propellant, organic synthesis extractant, polyurethane and other foaming agents and metal cleaning agents in film production.

二氯甲烷在主要用于胶片生产和医药领域。其中用于胶片生产的消费量占总消费量的50%，医药方面占总消费量的20%，清洗剂及化工行业消费量占总消费量的20%，其他方面占10%。

Dichloromethane is mainly used in film production and medicine in China. Among them, the consumption of film production accounts for 50% of the total consumption, medicine accounts for 20% of the total consumption, the consumption of cleaning agent and chemical industry accounts for 20% of the total consumption, and other aspects account for 10%.