Aluminum fluoride (AlF3) is an inorganic compound used primarily in the production of aluminum. It is also used to inhibit fermentation. It is a sputtering target for preparation of low index films. In ceramics, as flux in metallurgy, in aluminum manufacture, as inhibitor of fermentation, as catalyst in organic reactions.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.