Methylene chloride is a kind of organic matter, the molecular formula is CH2Cl2, a colorless transparent liquid, with a pungent odor similar to ether, slightly soluble in water, soluble in ethanol and ether. Under normal conditions, it is a non-flammable solvent with low boiling point. When its vapor becomes a high concentration in high temperature air, it will generate weakly burning mixed gas [8] , commonly used in place of flammable petroleum ether ether, etc.

Dichloromethane has the advantages of strong dissolving capacity and low toxicity, and is widely used in the manufacture of safety film, polycarbonate, and the remainder is used as coating solvent, metal degreasing agent, aerosol propellant, polyurethane foaming agent, release agent, paint remover

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 Methylene Chloride has the advantages of strong dissolving ability and low toxicity, and is widely used in the production of safe film film and polycarbonate, while the rest is used as paint solvent, metal degreasing agent, aerosol spray agent, polyurethane foaming agent, mold release agent and paint removal agent.

2. Methylene Chloride is used as reaction medium in the pharmaceutical industry to prepare ampicillin, hydroxypicillin and avanamycin, etc.;It is also used as solvent for film production, solvent for petroleum dewaxing, aerosol propellant, extraction agent for organic synthesis, foaming agent for polyurethane and metal cleaning agent for foam plastics production.
3. Methylene Chloride is mainly used in film production and medicine in China.