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Methylene Chloride (or dichloromethane) is a colourless volatile liquid with a sweet smell. It is extensively used as a chemical solvent. It is insoluble in water but miscible with organic solvents. Methylene Chloride is synthetically produced by reacting methyl chloride or methane with Chlorine gas at 400-5000C. Methane and methyl chloride undergo a series of chain reaction and yield chlorinated products progressively. Methylene Chloride (or Dichloromethane) volatility and its ability to dissolve with numerous organic compounds make it a useful organic solvent for many chemical processes. However, methylene chloride’s ill effect on health has forced the scientists to look for its alternatives. The applications of methylene chloride are: Major use in Pharmaceutical industry Manufacturing of Polycarbonates, Phenolics, Rayon yarn. Solvent for Cellulose Acetates, Photo-resist, Tablet film coatings. Paint and Grease Removing Agent. Fire-Fighting Agent. Extractant for Edible fats, Cocoa, Butter and Essences. Adhesives for Polymethyl Methacrylate. Aerosol Propellant, Refrigerant. Chemical Reaction Media. Low-temperature heat-transfer medium.