Osmium(III) chloride is an inorganic compound of osmium and chlorine with the chemical formula OsCl3.
Synthesis Osmium(III) chloride can be prepared by treating osmium with chlorine:
2Os + 3Cl2 → 2OsCl3 It can also be prepared by the decomposition of osmium(IV) chloride:
2OsCl4 → 2OsCl3 + Cl2
Uses Osmium(III) chloride hydrate is a precursor for the production of dichlorodihydridoosmium complexes and other compounds. It is the precursor to a variety of arene complexes.
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