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Chloroethylene, chloropropene, and chloroprene are common chemicals that play important roles in industrial production and daily life. However, due to the differences in their chemical structures and properties, corresponding measures need to be taken to distinguish them. This article will introduce several common methods to help you better distinguish these three chemicals

1. Appearance and physical properties 

Chloroethylene is a colorless and transparent liquid with an irritating odor; Chloropropene is a colorless liquid with an odor similar to ethylene; Chloroprene is a colorless transparent liquid with an irritating odor. In terms of appearance and odor, the differences between these three chemicals are not significant, so further analysis is needed

2. Chemical properties 

The chemical formula of vinyl chloride is C2H3Cl, which is a polar unsaturated compound that can undergo addition and polymerization reactions; The chemical formula of chloropropene is C3H5Cl, which is also an unsaturated compound. However, due to the presence of two carbon carbon bonds in its molecule, its reactivity is weaker than that of vinyl chloride; The chemical formula of chloroprene is C4H7Cl, which is an unsaturated compound with weak reactivity. By analyzing the chemical properties, these three chemicals can be better distinguished

3. Usage scenario 

Vinyl chloride is mainly used for preparing chloropropene, vinyl acetate fibers, etc; Chloropropene is used to produce compounds such as acrylonitrile and acrylic esters; Chloroprene is mainly used in the production of synthetic rubber. Based on different usage scenarios, their possible properties can also be inferred

In summary, there are certain differences in the chemical structure and properties of vinyl chloride, chloropropene, and chloroprene. By observing information such as appearance and odor, chemical properties, and usage scenarios, they can be well distinguished. However, caution should still be exercised in practical operation to avoid confusion and accidents.