Used primarily in the production of aluminum through the Hall-Héroult process, where it serves as a key additive to lower the melting point and improve the efficiency of the electrolytic bath. It enhances the conductivity and helps stabilize the smelting process, reducing energy consumption.

Employed in the manufacture of specialty glasses, ceramics, and refractory materials due to its ability to modify melting and optical properties, improve strength and quality, and enhance high-temperature durability.

Used as a catalyst in the petrochemical industry, particularly in processes for producing various hydrocarbons such as alkylation and isomerization.

Finds use in the synthesis of fluorinated compounds and as a catalyst in other chemical reactions.

Additionally, incorporated in certain toothpaste and oral care product formulations as a fluoride source to help prevent tooth decay.