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[Chemical Knowledge]：How to distinguish between vinyl chloride and ethylene?

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Vinyl chloride and ethylene are two common chemical substances, which are widely used in industry and life. However, for non-professionals, it is easy to confuse the two substances. This article will introduce the differences between vinyl chloride and ethylene in terms of chemical structure, properties and applications to help you better distinguish them.

let's look at the chemical structure. Vinyl chloride is a chlorine-containing organic compound with the chemical structure CH2 = CHCl, in which one hydrogen atom is replaced by a chlorine atom. Ethylene is an olefin compound with a chemical structural formula of CH2 = CH2, which is a double bond structure composed of two carbon atoms and four hydrogen atoms. From the perspective of chemical structure, vinyl chloride has one more chlorine atom than ethylene, which is the most intuitive difference between them.

we can compare in nature. Vinyl chloride is a colorless, pungent odor liquid, soluble in alcohol and ether solvents, easy to synthesize polyvinyl chloride, is an important chemical raw material. Ethylene is a colorless, odorless gas, can not be dissolved in water at room temperature, is an important industrial raw material for the synthesis of vinyl alcohol, ethylene glycol and other chemical products. In terms of nature, vinyl chloride and ethylene have liquid and gas forms, respectively, and their solubility and chemical reactions are also different.

let's take a look at their application areas. Due to the difference in chemical structure and properties, vinyl chloride and ethylene are also very different in application fields. Vinyl chloride is mainly used in the production of polyvinyl chloride resin, synthetic materials, medicine, dyes and other industrial fields, with high industrial value. As an important basic chemical raw material, ethylene is mainly used in the manufacture of polyethylene, vinyl alcohol, vinyl amine and other chemical products. It has a wide range of applications and can be said to be the "crown jewel" of the chemical industry ".

through the above introduction, I believe we have a clearer understanding of vinyl chloride and ethylene. Although they differ only by one chlorine atom in their chemical names, they are very different in chemical structure, properties and application fields. In real life, we should choose the appropriate chemical substances according to the specific needs and uses. At the same time, we should pay attention to strictly abide by the safety operation procedures in the process of use to ensure the safety of people and the environment.

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