Methyl Chloride

Product Description

Is a clear, colorless, nonflammable, volatile liquid chlorinatedhydrocarbon with a sweet, pleasant smell and emits highly toxicfumes of phosgene when heated to decomposition. Methylenechloride is primarily used as a solvent in paint removers, but is also used in aerosol formulations, as a solvent in the manufacture ofpharmaceuticals, as a degreasing agent, in electronicsmanufacturing and as an ethane foam blowing agent. Inhalationexposure to this substance irritates the nose and throat and affects the central nervous system. Methylene chloride is a possiblemutagen and is reasonably anticipated to be a human carcinogen.(NCI05)

• Dichloromethane(DCM or methylene chloride) is an organochloride compound with the formula CH.Ch. This colorless, volatileliquid with a chloroform-like, sweet odour is widely used as a solvent. Although it is not miscible with water, itis polar and miscible withmany organic solvents.

• DCM is produced by treating either chloromethane or methane with chlorine gas at 400-500 C. At these temperatures, both methaneand chloromethane undergo a series of reactions producing progressively more chlorinated products.In this way, an estimated 400,000tons were produced in the US, Europe, and Japan in 1993.

      The output of these processes is a mixture of chloromethane, dichloromethane, chloroform, and carbon tetrachloride, as well as hydrogen chloride as a byproduct. These compounds are separated by distillation.

• DCM was first prepared in 1839 by the French chemist Henri Victor Regnault(1810-1878), who isolated it from a mixtureof chloromethane and chlorine that had been exposed to sunlight.

  
  

Product Parameters

Application

(1)solvent in production of film, footage, and aerosols.

(2)foaming agent used as a blowing agent for polyurethane foams.

(3) used as a paint stripper and degreaser. 

(4) serve as adhesives, often sold as a main component of plasticswelding adhesives.

(5) Prepare extracts of hops and other flavorings.

(6) used for the synthesis of fine chemical products.

(7) used in the products of flame retardant series.

(8) used to replace F11.F12 of the same function.

(9) Most PVC cements use methylene chloride as the solvent.

(10) paint stipper formula.