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Perchlorethylene (chemical formula: C2Cl4) is a colorless liquid with a special smell. It is an environmentally stable organic compound that does not burn easily, but can react violently with oxygen, strong oxidants, and heat.

Perchlorethylene are mainly used in industrial production and have a wide range of applications. It is one of the important raw materials of polyvinyl chloride (PVC), which is used to make plastics, pipes, insulation materials and coatings. In addition, Perchlorethylene can also be used as a solvent for degreasing, metal cleaning and chemical synthesis processes.

Hydrogenation of chlorinated hydrocarbons is usually used to prepare Perchlorethylene. First, 1,2-dichloroethane is obtained by chlorinating ethylene using chlorine gas. Then, under high temperature and high pressure conditions, 1,2-dichloroethane reacts with chlorine to form Perchlorethylene. The entire process needs to be carried out under strictly controlled environmental conditions to ensure safety and yield efficiency.

The Perchlorethylene needs to pay attention to its safety information when using it. It is a harmful substance that is irritating and may cause irritation and damage to the skin, eyes and respiratory tract. Immediately after contact, rinse thoroughly with water and seek medical help. In addition, Perchlorethylene vapors are flammable and should be kept away from open flames and high temperature sources. During use and storage, relevant safety procedures should be observed to ensure proper ventilation and protective measures.