Aluminum Fluorosilicate, also known as aluminium hexafluorosilicate

Aluminum Fluorosilicate, also known as aluminium hexafluorosilicate, is a white powder with the chemical formula Al2F18Si3 and a molar mass of 480.19 g/mol. It is slightly soluble in cold water but readily soluble in hot water, making it a versatile compound in various industrial applications. This inorganic compound decomposes at approximately 1000°C, indicating its thermal stability.

Industrially, Aluminum Fluorosilicate is utilized in the production of artificial gems, enamels, and glass, contributing to the enhancement of material properties such as hardness and durability. It is also employed in the manufacturing of aluminum electrolyte for the aluminum industry, where it plays a critical role in the electrolytic process.

The compound is prepared by reacting aluminum silicate, silica, and hydrofluoric acid in a stoichiometric molar ratio in an aqueous solution. This synthesis method allows for the efficient production of Aluminum Fluorosilicate, which is essential for its various applications.

Safety is a paramount concern with Aluminum Fluorosilicate due to its corrosive nature. It is classified under UN number 2855, with a hazard class of 6.1(b) and packing group III, emphasizing the need for careful handling and transportation. When exposed to heat or in the event of a fire, Aluminum Fluorosilicate can emit toxic fumes, necessitating proper safety measures and equipment when working with this substance.

In summary, Aluminum Fluorosilicate is a significant industrial chemical with a range of applications in the production of materials and chemicals. Its properties, uses, and the need for stringent safety precautions define its role in the chemical industry.