Sodium hexachloroosmate(IV) hydrate CMI Part 4006 Sodium hexachloroosmate(IV) hydrate CAS Number1307-81-9 Molecular Weight448.9 Molecular FormulaNa2OsCl6.2H2O Download Specifications PDF Download Specifications PDF Request A Quote For all quote requests, please email Sales@colonialmetals.com or call 410.398.7200