Manganese(II) bromide hydrate is primarily used in research and laboratory settings as a reagent for various chemical reactions. It serves as a source of manganese ions, which are essential in catalysis and synthesis processes, particularly in organic chemistry. The compound is also utilized in the preparation of other manganese-based materials and complexes, which have applications in magnetic and electronic studies. Additionally, it plays a role in the study of coordination chemistry, where it helps in understanding the behavior of manganese in different chemical environments. In some cases, it is employed in the development of specialized materials for industrial applications, such as catalysts or additives in chemical manufacturing processes.