Ammonium hexachloroosmate(IV) CMI Part 4004 Ammonium hexachloroosmate(IV) CAS Number12125-08-5 Molecular Weight439 Molecular Formula(NH4)2OsCl6 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