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[Chemical Knowledge]：The difference between anhydrous methanol and methanol and its application in industry

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Anhydrous methanol and methanol are important chemical raw materials, they play an important role in industrial production. However, they differ in some respects. This article will compare anhydrous methanol and methanol from three aspects of molecular structure, physical properties and industrial applications to help readers better understand them.

1. molecular structure

the molecular structure of anhydrous methanol and methanol. The chemical formula of methanol is CH3OH, and the molecular structure contains hydroxyl (OH). The chemical formula of anhydrous methanol is CH3OH, and there is no hydroxyl group (OH) present. Therefore, anhydrous methanol does not contain water molecules, while methanol contains water molecules. This is also one of the biggest differences between them.

2. physical properties

anhydrous methanol and methanol also have some differences in physical properties. Methanol is a colorless liquid with a special odor and is volatile at room temperature. It has a boiling point of 64.7 degrees Celsius and a density of about 0.791g/cm3. The anhydrous methanol is a colorless liquid, no special smell. It has a boiling point of 64.6 degrees Celsius and a density of about 0.791g/cm3.

3. Industrial Applications

Due to the different properties of anhydrous methanol and methanol, they have different applications in industry.

methanol is an important solvent, which is widely used in paint, ink and other industries. At the same time, methanol also plays an important role in biodiesel and the production of chemical raw materials such as formaldehyde. In addition, methanol is also used as fuel in industry, such as automobile fuel. In view of the flammable and toxic properties of methanol, special attention should be paid to safety when used.

anhydrous methanol is mainly used in organic synthesis reaction and catalyst preparation and other fields. Since anhydrous methanol does not contain water molecules, it can play a better catalytic effect in some reactions and improve the yield and selectivity of the reaction. In addition, anhydrous methanol is also commonly used in chemical laboratories as an important solvent and reagent.

summary: Although anhydrous methanol and methanol are both methanol compounds, there are obvious differences in molecular structure, physical properties and industrial applications. Understanding these distinctions helps us select and use them more accurately and avoid unnecessary risks and misuse. When using, whether it is methanol or anhydrous methanol, you need to pay attention to safety issues and follow relevant usage specifications and operating guidelines.

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