二氯甲烷是不可燃低沸點(diǎn)溶劑，常用來(lái)代替易燃的石油醚、乙醚等，并可 用作牙科局部麻醉劑、制冷劑和滅火劑等
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強(qiáng)和毒性低的優(yōu)點(diǎn)，大量用于制造電影膠片、聚碳酸酯，其余用作涂料溶劑、金屬脫脂劑，氣煙霧噴射劑、聚氨酯發(fā)泡劑、脫模劑、脫漆劑。
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.
二氯甲烷為無(wú)色液體，在制藥工業(yè)中做反應(yīng)介質(zhì)，用于制備氨芐青霉素、羥芐青霉素和先鋒霉素等;還用作膠片中的溶劑、石油脫蠟溶劑、氣溶膠推進(jìn)劑、有機(jī)合成萃取劑、聚氨酯等泡沫塑料用發(fā)泡劑和金屬清洗劑等。
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膠片和醫(yī)藥領(lǐng)域。其中用于膠片的消費(fèi)量占總消費(fèi)量的50%，醫(yī)藥方面占總消費(fèi)量的20%，清洗劑及化工行業(yè)消費(fèi)量占總消費(fèi)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%.
