Osmium (VIII) Oxide

Osmium (VIII) Oxide

CAS number: 20816-12-0

Chemical formula: OsO4

Metal content: ≥74.4%

Application: precursor of osmium compounds and dispersed osmium. Catalyst of chiral dihydroxylation. Catalyst of alkenes oxidization into vicinal diols. In composition with sodium periodate, is used for oxidative cleavage of alkenes.

Shelf life: 1 year.


  • sealed glass ampoules; and
  • glass jars with caps having PTFE inserts.

Safety Data Sheet

Articles on the use of the compound:

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IndicatorsTrial Data Results
Appearance Colourless or pale-yellow solid substance
Solubility Soluble in water, ammonia, diethyl ether, ethanol, alkalis
Molecular weight 254.2
Mass fraction of osmium, % Min. 74.4

As may be agreed by consumer and manufacturer, additional requirements to the quality of osmium (VIII) oxide can be established.