City Chemical manufactures high purity Ammonium Fluoride, CAS 12125-01-8 in bulk quantity. In the form of a white crystalline solid, Ammonium Fluoride is extremely water soluble. Used in the electronic industry for producing components. Used in metal processing and oil well acidification. Ammonium Fluoride is active in a new hydrothermal synthesis of complex fluorides NaHoF4 and NaEuF4. These interesting compounds are important for solid-state well as for photoluminescence and magnetic properties.