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Ethanol and propanol are common alcohol chemicals that play important roles in people's daily lives. This article will compare the differences between ethanol and propanol in detail from multiple aspects such as molecular structure, physical properties, and applications
1、 Molecular structure:
The molecular formula of ethanol is C2H5OH, consisting of two carbon atoms, six hydrogen atoms, and one oxygen atom. The molecular formula of propanol is C3H7OH, consisting of three carbon atoms, eight hydrogen atoms, and one oxygen atom. From a molecular structure perspective, propanol has one more carbon atom than ethanol
2、 Physical properties:
1. Melting point and boiling point:
The melting point of ethanol is -114.1 ℃, and the boiling point is 78.37 ℃; The melting point of propanol is -126.6 ℃ and the boiling point is 97.2 ℃. It can be seen that the melting and boiling points of propanol are higher than those of ethanol
2. Solubility: Ethanol can be mixed with water, while the solubility of propanol is lower. This is because there is a strong hydrogen bonding force between water molecules and ethanol molecules, while the formation of hydrogen bonds in propanol molecules is hindered to a certain extent due to the addition of one carbon atom
3、 Usage: There are some differences in the main uses of ethanol and propanol
1. Ethanol:
Ethanol is a common drinking alcohol widely used in fields such as medicine, food, cosmetics, etc. In addition, ethanol is also an important component of certain solvents and cleaning agents
2. Propanol:
Propanol has many applications in industrial production, such as being used as dyes, resins, solvents, etc. In addition, propanol can also be used to prepare important chemicals such as ethanol and acetone
In summary, there are certain differences between ethanol and propanol in terms of molecular structure, physical properties, and applications. Understanding these differences helps to better apply and understand these two common alcohol chemicals.
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