Osmium Tetroxide

(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.

Year introduced: 1991(1979)

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Tree Number(s): D01.640.500, D01.650.550.600

MeSH Unique ID: D009993

Registry Number: P40W033BGM

Entry Terms:

• Tetroxide, Osmium
• Osmic Acid
• Acid, Osmic

Previous Indexing:

• Osmium (1966-1978)
• Oxides (1966-1978)

All MeSH Categories
Chemicals and Drugs Category
Inorganic Chemicals
Osmium Compounds
Osmium Tetroxide

All MeSH Categories
Chemicals and Drugs Category
Inorganic Chemicals
Oxygen Compounds
Oxides
Osmium Tetroxide