Osmium(III) chloride is an inorganic chemical compound of

osmium Osmium (from Greek grc, ὀσμή, osme, smell, label=none) is a chemical element with the symbol Os and atomic number 76. It is a hard, brittle, bluish-white transition metal in the platinum group that is found as a trace element in alloys, mos ...

metal and chlorine with the chemical formula .

Synthesis

Osmium(III) chloride can be made by a reaction of chlorine with osmium: : It can also be made by heating of

osmium(IV) chloride Osmium(IV) chloride or osmium tetrachloride is the inorganic compound composed of osmium and chlorine with the empirical formula OsCl4. It exists in two polymorphs (crystalline forms). The compound is used to prepare other osmium complexes. Pr ...

: :

Physical properties

Osmium(III) chloride forms black-brown crystals. Osmium(III) chloride forms a hydrate of the composition with dark green crystals.

Uses and reactions

Osmium(III) chloride hydrate is used as a precursor material for the production of dichlorodihydridoosmium complex compounds and other compounds. It is the precursor to a variety of arene complexes.

References

{{Chlorides Osmium compounds Chlorides Metal halides