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[Chemical Knowledge]：Properties and Uses of Aluminum Fluoride

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The nature and use
of aluminum fluoride in the field of raw materials for chemical production
1. Introduction

aluminum fluoride (Aluminum Fluoride,AF) is an important inorganic chemical product with a wide range of applications. Due to its unique physical and chemical properties, aluminum fluoride plays a key role in many chemical production processes. This article will detail the properties and uses of aluminum fluoride.

2. The properties of aluminum fluoride

1. Physical properties: Aluminum fluoride is a colorless and transparent crystalline solid with a high melting point and boiling point. It is insoluble in water, but soluble in acidic solutions.
2. Chemical properties: Aluminum fluoride has strong corrosiveness and can react with many metals, non-metals and compounds. Under the condition of high temperature, aluminum fluoride has good stability.

3. the use of aluminum fluoride

1. catalyst: aluminum fluoride as an excellent catalyst, widely used in petrochemical, fine chemical and other fields. In the process of hydrocarbon cracking, aluminum fluoride can promote the cleavage of carbon-carbon bonds and improve the selectivity of cracking products. In addition, aluminum fluoride can also be used as a catalyst for esterification, alkylation, and the like.
2. Corrosion: Aluminum fluoride has strong corrosion resistance and can be used as a corrosion inhibitor for metal materials. A dense oxide film is formed on the surface of the aluminum alloy to improve the corrosion resistance of the material.
3. Electrolyte: Aluminum fluoride is used as an electrolyte in the electrolytic aluminum industry, which can reduce the electrolysis temperature, improve the current efficiency, and extend the service life of the electrolytic cell.
4. Fluorescent materials: Aluminum fluoride can be used as a matrix of fluorescent materials, combined with rare earth elements to emit visible light of various colors, and is widely used in the field of display and lighting.

4. conclusion

aluminum fluoride as an important inorganic chemicals, has a wide range of applications in the field of chemical production raw materials. Due to its unique physical and chemical properties, aluminum fluoride plays a key role in catalysts, preservatives, electrolytes and fluorescent materials. With the continuous development of science and technology, the application field of aluminum fluoride will be further expanded.

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