Ruthenium trichloride plays an important role in heterogeneous catalysis or homogeneous catalysis, and can be used in the catalysis of a variety of organic reactions, such as polymerization, isomerization, hydrogenation, etc ‌. It is also used in electroplating and electrolytic anodes, and is an important chemical raw material in the electronics industry ‌. Ruthenium trichloride can also be used for the determination of sulfite, the manufacture of ruthenate, and as an electrode coating material.