Osmium(II) chloride

Osmium(II) chloride

Names
IUPAC name Osmium(II) chloride
Other names Osmium dichloride
Identifiers
CAS Number	13444-92-3  Y
3D model (JSmol)	Interactive image
ChemSpider	379789
PubChem CID	429382
InChI Key: OAGAGESCFZXSJR-UHFFFAOYSA-L InChI=1S/2ClH.Os/h2*1H;/q;;+2/p-2
SMILES Cl[Os]Cl
Properties
Chemical formula	OsCl2
Molar mass	261.14 g/mol
Appearance	hygroscopic dark brown solid [1]
Density	4.38 g/cm3
Melting point	450 °C (842 °F; 723 K)
Solubility in water	insoluble [1]
Solubility	soluble in ethanol and ether. [2]
Related compounds
Other anions	Osmium dibromide
Other cations	Iron(II) chloride Palladium(II) chloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Osmium(II) chloride or osmium dichloride is an inorganic compound composed of osmium metal and chlorine with the chemical formula OsCl
_². ^[3]

Synthesis

Osmium(II) chloride can be prepared by disproportionation of osmium(III) chloride at 500 °C in vacuum: ^[4]

2OsCl₃ → OsCl₄ + OsCl₂

Uses

Osmium(II) chloride can be used for the catalytic production of trialkylamines. ^[5]

Reactions

Osmium(II) chloride reacts with carbon monoxide at 220 °C:

OsCl₂ + 3CO → Os(CO)₃Cl₂

References

1. Leddicotte, G. W. (1961). The Radiochemistry of Osmium. Subcommittee on Radiochemistry, National Academy of Sciences-National Research Council; available from the Office of Technical Services, Department of Commerce. p. 5. Retrieved 30 March 2023.
2. Comey, Arthur Messinger (1896). A Dictionary of chemical solubilities. Macmillan and Company. p. 275. Retrieved 30 March 2023.
3. Satya, Prakash (2013). Advanced Chemistry of Rare Elements. S. Chand Publishing. p. 613. ISBN   978-81-219-4254-6 . Retrieved 30 March 2023.
4. Singh, G. (2007). Chemistry Of Lanthanides And Actinides. Discovery Publishing House. p. 307. ISBN   978-81-8356-241-6 . Retrieved 30 March 2023.
5. Macintyre, Jane E. (5 December 1996). Dictionary of Inorganic Compounds, Supplement 4. CRC Press. p. 221. ISBN   978-0-412-75020-5 . Retrieved 30 March 2023.