Neodymium(III) chloride hydrate is used for production of neodymium metal. It also finds application in lasers and fiber amplifiers. It serves as dopants for silica based as well as plastic fibers. It plays an important role of additives in organic light emitting diodes resulting in improved LED emission spectrum. In addition, it is used in catalysis of polymerization of various dienes. It is used to modify titanium dioxide for use as a photocatalyst. Its coating on aluminum and its alloy protect them from corrosion. It is also extensively used as fluorescent labels for organic molecules.

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.