二氯甲烷的用途非常普遍，因為二氯甲烷的溶解力強和毒性低的特點，它被普遍的應用于電影膠片，涂料的溶解劑，和氣煙霧噴射劑等領域，那么你知道二氯甲烷是什么？如何理解？它都有那些性質呢？下面氫氧化鉀廠家和您帶著這一系列的問題來了解一下。

The use of dichloromethane is very common. Because of its strong solubility and low toxicity, it is widely used in film, paint dissolvers, and aerosol sprays. Do you know what dichloromethane is? How to understand? What are its properties? The potassium hydroxide manufacturer and you will take this series of questions to understand.

二氯甲烷俗稱二叉二氯，分子式是CH2Cl2，密度是1.326，沸點為39.8℃，二氯甲烷是不可燃低沸點溶劑，常用來代替易燃的石油醚等，并可用作牙科局部麻醉劑、制冷劑和滅火劑等。二氯甲烷是無色、透明、比水重、易揮發的液體，有類似醚的氣味和甜味，不燃燒，但與高濃度氧混合后形成爆的混合物。

Dichloromethane is commonly known as binary dichloride. Its molecular formula is CH2Cl2, density is 1.326, and boiling point is 39.8 ℃. Dichloromethane is a nonflammable low boiling point solvent, which is often used to replace flammable petroleum ether, and can be used as dental local anesthetic, refrigerant, fire extinguishing agent, etc. Dichloromethane is a colorless, transparent liquid, heavier than water, and volatile. It has an ether like smell and sweet taste, does not burn, but forms an explosive mixture when mixed with high concentration oxygen.

二氯甲烷微溶于水，與絕大多數常用的有機溶劑互溶，與其他含氯溶劑、乙醇也可以任意比例混溶。室溫下二氯甲烷難溶于液氨中，能很快溶解在酚、醛、酮、冰醋酸、磷酸三乙酯、甲酰胺、環己胺、乙酰乙酸乙酯中。純二氯甲烷無閃點，含等體積的二氯甲烷和汽油、溶劑石腦油或甲苯的溶劑混合物是不易燃的，然而當二氯甲烷與甲醇液體以10：1比例混合時，其混合特具有閃點，蒸發后與空氣會形成易燃的混合物。

Dichloromethane is slightly soluble in water and mutually soluble with most commonly used organic solvents. It can also be miscible with other chlorine containing solvents and ethanol in any proportion. Dichloromethane is difficult to dissolve in liquid ammonia at room temperature, but can quickly dissolve in phenol, aldehyde, ketone, glacial acetic acid, triethyl phosphate, formamide, cyclohexylamine, and ethyl acetoacetate. Pure dichloromethane has no flash point. The solvent mixture containing equal volume of dichloromethane and gasoline, solvent naphtha or toluene is not flammable. However, when dichloromethane is mixed with methanol liquid at a ratio of 10:1, its mixing has a flash point, and it will form a flammable mixture with air after evaporation.

二氯甲烷可以用于脫漆劑，在用于透明塑料的水泥中用作溶劑，通常與其他溶劑混合以幫助溶解接觸粘合劑中使用的樹脂；用作咖啡、香料和啤酒花脫咖啡因的萃取溶劑；紡織工業中的載體溶劑；用作溶劑。

Dichloromethane can be used as a paint remover, as a solvent in cement used for transparent plastics, and is usually mixed with other solvents to help dissolve the resin used in contact adhesives; Used as the extraction solvent for decaffeinating coffee, spices and hops; Carrier solvent in textile industry; Used as solvent.

二氯甲烷是甲烷氯化物中毒性比較小的，其毒性為四氯化碳毒性的0.11%。如果二氯甲烷直接濺入眼中，有疼痛感并有腐蝕作用。

Dichloromethane is less toxic than methane chloride, and its toxicity is 0.11% of that of carbon tetrachloride. If dichloromethane is directly splashed into the eyes, it will cause pain and corrosion.

二氯甲烷的危害性也是很大的，它會對我們的環境和身體造成很大的危害，所以陵爾小編在此提醒大家，從事相關工作的人員一定要小心謹慎！更多相關內容就來我們網站http://www.yiqijieneng.cn咨詢了解吧！

Dichloromethane is also very harmful, and it will cause great harm to our environment and body. Therefore, I would like to remind you that personnel engaged in relevant work must be careful! More relevant content will come to our website http://www.yiqijieneng.cn Ask and understand!