Methylene Chloride CAS 75-09-2 CH2cl2

Product Application: 

Dichloromethane (DCM) has the advantages of strong solubility and low toxicity, and is widely used in the production of safe film, polycarbonate, as well as in other applications such as paint Solvents, metal degreasers, smoke aerosol sprays, polyurethane foam agents, mold release agents, paint strippers, and more.
Dichloromethane is a colorless liquid, used as a reaction medium in the pharmaceutical industry for the preparation of ampicillin, hydroxybenzyl penicillin, cephalosporin, etc. It is also used as a solvent in film production, a wax remover in petroleum, a propellant in aerosols, an organic synthesis extractant, a foaming agent in polyurethane foam production, a metal cleaner, and more. In China, dichloromethane is mainly used in film production and the pharmaceutical industry, with film production accounting for 50% of total consumption, pharmaceuticals for 20%, cleaners and chemical industry for 20%, and other applications for 10%.
Dichloromethane is also used as a refrigerant in industrial refrigeration systems, but it is highly hazardous and can produce toxic phosgene when in contact with open flames or hot objects. It can also generate trace amounts of hydrogen chloride when exposed to moist air, and exposure to light can enhance its corrosiveness to metals. It is used for fumigation of grains and in low-pressure refrigeration systems and air conditioning units.
In the production of polyether-type urethane foam plastics, dichloromethane is used as an auxiliary blowing agent, as well as in the production of extruded polyaluminum foam plastics. It is also used in the production of decaffeinated coffee, where it is used to remove caffeine after the coffee beans have been steamed to dissolve and float the caffeine on the surface.

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