Osmium(IV) oxide anhydrous CMI Part 4013 Osmium(IV) oxide anhydrous CAS Number12036-02-1 Molecular Weight222.2 Molecular FormulaOsO2 Download Specifications PDF Download Safety Data Sheet PDF Download Specifications PDF Download Safety Data Sheet PDF Request A Quote For all quote requests, please email Sales@colonialmetals.com or call 410.398.7200