Osmium Tetroxide


Acid, Osmic

Osmic Acid

Osmium oxide (OsO4), (T-4)-

Tetroxide, Osmium

(T-4)-Osmium oxide (OsO4). A highly toxic and volatile oxide of osmium used in industry as an oxidizing agent. It is also used as a histological fixative and stain and as a synovectomy agent in arthritic joints. Its vapor can cause eye, skin, and lung damage.