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Ethylene and butene are important chemical substances with extensive applications in the chemical industry. Although the word "ene" in their names is the same, there are subtle differences in their chemical structures

From the perspective of naming, the difference between them is very obvious. Ethylene is an olefin with a carbon atom number of 2, and its chemical formula is C2H4; Butene is an olefin with a carbon atom number of 4, and its chemical formula is C4H8. It can be seen that there is a significant difference in the number of carbon atoms between ethylene and butene

From a molecular structure perspective, the carbon atom arrangement of ethylene and butene is also different. In ethylene molecules, there are two carbon atoms connected by double bonds, while in butene molecules, there are four carbon atoms also connected by double bonds. However, the arrangement of carbon atoms in butene is more complex, with different isomers present

Furthermore, from a physical perspective, the properties of ethylene and butene also differ. Ethylene is a colorless, pungent gas that can burn but is insoluble in water. Butene, on the other hand, is a flammable liquid that can be mixed with many organic solvents

From the perspective of application fields, the uses of ethylene and butene are also different. Ethylene is mainly used to synthesize ethylene monomers, thereby preparing plastic products such as polyethylene; Butene is mainly used for synthesizing synthetic rubber and synthetic resins, with a wider range of applications

Overall, ethylene and butene are two chemical substances that have certain differences in chemical structure, properties, and applications. For chemical industry practitioners, understanding the differences between them can help them better choose suitable raw materials and improve production efficiency. Meanwhile, for ordinary people, understanding the difference between ethylene and butene can also help them better understand the mysteries of the chemical world.