Yttrium(III) fluoride is used in the production of yttrium metal, glasses and ceramics. It is also used in the preparation of low-index film layers, which exhibit good transparency in the UV through infrared regions.

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.