Nickel Fluoride, CAS 13940-83-5, has the formula NiF2. Nickel Fluoride is used in metal plating operations, as a passivation layer on advanced nickel metals such as monel, in metal cold sealing applications, as a catalyst for the production of chlorine pentafluoride, in marking ink compositions for fluorescent lamps, as a transhalogenation catalyst for fluoroolefins, in the manufacture of varistors, as a catalyst for hydrofluorination, in the synthesis of xenon hexafluoride, and in the preparation of high purity elemental fluorine for research and chemical lasers.