 It reacts with sodium in ethanol to give nonahydridorhenate.Sodium perrhenate has been used as a precursor of rhenium nitrides (such as Re3N, Re2N, Re3N2, ReN2, ReN3, ReN4), which can be used as catalysts for ammonia synthesis and for hydro-denitrogenation.It can be used to prepare Re2(CO)10.