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The main USES of dichloromethane

Issuing time:2018-12-26 13:40

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


As a colorless liquid, dichloromethane is used as a reaction medium in the pharmaceutical industry to prepare ampicillin, oxybenzacillin and pioneer mycin. It is also used as solvent for film production, solvent for petroleum dewaxing, aerosol propellant, organic synthetic extraction agent, foaming agent and metal cleaning agent for polyurethane and other foams.


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, 20% of the total consumption of medicine, 20% of the total consumption of cleaning agents and chemical industry, and 10% of the other aspects. Dichloromethane is also used as a refrigerant in industrial refrigeration systems, but can be very harmful, producing a highly toxic phosphorescent when in contact with open fires or hot objects. When wet air hydrolyze to produce trace hydrogen chloride, light can also promote hydrolysis and enhance the corrosion of metal.


Used for grain fumigation and refrigeration of low pressure refrigerator and air conditioner. It is used as an auxiliary foaming agent in the production of polyether urethane foams and as a foaming agent for extruding polysulfone foams.


Dichloromethane is also used to make decaffeinated coffee. The coffee is steamed so that the caffeine dissolves and floats to the surface. Dichloromethane is then used to remove the caffeine.


With the advantages of strong solubility and low toxicity, it is widely used in the production of safe film film, polycarbonate, the rest used as paint solvent, metal degreasing agent, gas smoke spray agent, polyurethane foaming agent, mold release agent, paint removal agent. As a colorless liquid, dichloromethane is used as a reaction medium in the pharmaceutical industry to prepare ampicillin, oxybenzacillin and pioneer mycin. It is also used as solvent for film production, solvent for petroleum dewaxing, aerosol propellant, organic synthetic extraction agent, foaming agent and metal cleaning agent for polyurethane and other foams. 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, 20% of the total consumption of medicine, 20% of the total consumption of cleaning agents and chemical industry, and 10% of the other aspects. Dichloromethane is also used as a refrigerant in industrial refrigeration systems, but can be very harmful, producing a highly toxic phosphorescent when in contact with open fires or hot objects. When wet air hydrolyze to produce trace hydrogen chloride, light can also promote hydrolysis and enhance the corrosion of metal. Used for grain fumigation and refrigeration of low pressure refrigerator and air conditioner. It is used as an auxiliary foaming agent in the production of polyether urethane foams and as a foaming agent for extruding polysulfone foams. Dichloromethane is also used to make decaffeinated coffee. The coffee is steamed so that the caffeine dissolves and floats to the surface. Dichloromethane is then used to remove the caffeine.



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