Dichloromethane CH2Cl2 MC Tech Grade

Product Description:

Methylene Chloride is a kind of colorless, transparent liquid, CAS number 75-09-2, formula CH2Cl2.

Product Application: 

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%.

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.

Dichloromethane (DCM, methylene chloride, or methylene bichloride) is an organochlorine compound with the formula CH2Cl2. This colorless, volatile liquid with a chloroform-like, sweet odor is widely used as a solvent. Although it is not miscible with water, it is slightly polar, and miscible with many organic Solvents.

The chemical compound's low boiling point allows the chemical to function in a heat engine that can extract mechanical energy from small temperature differences. An example of a DCM heat engine is the drinking bird. The toy works at room temperature.[17] It is also used as the fluid in jukebox displays and holiday bubble lights that have a colored bubbling tube above a lamp as a source of heat and a small amount of rock salt to provide thermal mass and a nucleation site for the phase changing solvent.

DCM chemically welds certain plastics. For example, it is used to seal the casing of electric meters. Often sold as a main component of plastic welding adhesives, it is also used extensively by model building hobbyists for joining plastic components together. It is commonly referred to as "Di-clo".

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