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[Chemical Knowledge]：Properties and Uses of Tetrachloroethylene

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Tetrachloroethylene is an organic compound, which is widely used in the field of chemical production raw materials. It has excellent chemical and physical properties, so it has a wide range of applications in many fields. This article will detail the properties and uses of tetrachloroethylene.

1. the properties of tetrachloroethylene

1. Physical properties
tetrachloroethylene is a colorless transparent liquid with a pungent odor. Its boiling point is 121.2 ℃, melting point is -22.2 ℃, relative density is 1.62, insoluble in water, but soluble in ethanol, ether and other organic solvents.

2. Chemical properties
tetrachloroethylene has good chemical stability and is not easy to react with other substances. It can be hydrolyzed under acidic conditions to generate chlorinated hydrocarbons and alcohols. In addition, tetrachloroethylene can also occur oxidation, reduction, polymerization and other reactions.

2. the use of tetrachloroethylene

1. Chemical production of raw materials
tetrachloroethylene can be used as chemical production of raw materials for the production of chlorinated hydrocarbons, fluorinated hydrocarbons, ethers and other compounds. For example, it can be used as a solvent for the production of paints, inks and other products.

2. dry cleaning agent
tetrachloroethylene is an excellent dry cleaning agent, with strong decontamination ability, no damage to the fabric, rapid drying and so on. Therefore, it is widely used in textile, clothing and other industries.

3. Refrigerant
Tetrachloroethylene can be used as a refrigerant, which has a lower vapor pressure and higher refrigeration capacity, and can be used in low-temperature refrigeration systems.

4. solvent
tetrachloroethylene is an excellent solvent, can be used to extract vegetable oil, animal fat and other substances. At the same time, it can also be used to clean metal surfaces and remove oil stains.

In short, tetrachloroethylene has a wide range of uses in the field of chemical production raw materials. Due to its excellent properties and performance, it provides important support and help for various industries. When using tetrachloroethylene, it is necessary to pay attention to its toxicity and safety, and take necessary protective measures to ensure the safety and reliability of the production and use process.

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