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Cyclohexane and aniline are two important compounds in organic chemistry, and they have significant differences in structure and properties. Below, we will introduce their differences from the aspects of chemical properties, physical properties, and application fields

1、 Differences in chemical properties: 

1 Cyclohexane: Cyclohexane is an aliphatic hydrocarbon with the molecular formula C6H12. It is a colorless and odorless liquid with lower boiling and melting points. Cyclohexane is mainly obtained by dehydrogenating ethylene to cyclohexane under the catalysis of alkaline media such as sodium hydroxide or sulfuric acid

2. Aniline: Aniline is a type of aromatic amine with the molecular formula C6H5NH2. It is a colorless solid with a strong ammonia odor. Aniline can be obtained by reacting benzene and ammonia through the action of a catalyst

2、 Differences in physical properties: 

1 Cyclohexane: Cyclohexane is a colorless liquid with low density and is easily volatile. Its boiling point is 80.7 ℃ and its melting point is -22 ℃

2. Aniline: Aniline is a colorless crystalline substance with high density and is not easily volatile. Its boiling point is 184 ℃ and its melting point is -6 ℃

3、 Differences in application fields: 

1 Cyclohexane: Due to its low toxicity and volatility, it is commonly used as an organic solvent and is widely used in various aspects of the chemical industry, such as coatings, cleaning agents, adhesives, etc

2. Aniline: Aniline is an important synthetic raw material in organic synthesis, widely used in fields such as dyes, pharmaceuticals, rubber, plastics, and pesticides. Aniline can also be used as a metal corrosion inhibitor and a dye intermediate

Summary: Through the above introduction, we can clearly understand the difference between cyclohexane and aniline. Cyclohexane is an aliphatic hydrocarbon with low toxicity and volatility, mainly used as an organic solvent. Aniline, on the other hand, is an aromatic amine widely used in organic synthesis, dyes, pharmaceuticals, and other fields. Understanding the differences between these two compounds can help us better apply them and play a greater role in practical work and life.