Osmium(IV) chloride

Osmium(IV) chloride
Names
	IUPAC name Osmium(IV) chloride
	Other names Osmium chloride, osmium tetrachloride
Identifiers
CAS Number	10026-01-4 ;
3D model (JSmol)	Interactive image;
ECHA InfoCard	100.151.226
PubChem CID	4070891;
UNII	950AA6B72O ;
CompTox Dashboard (EPA)	DTXSID30143075 ;
	InChI InChI=1S/4ClH.Os/h4*1H;/q;;;;+4/p-4;
	SMILES Cl[Os](Cl)(Cl)Cl;
Properties
Chemical formula	OsCl4
Molar mass	332.041 g/mol
Appearance	red-black orthorhombic crystals
Density	4.38 g/cm3
Melting point	decomposes at 323°C
Solubility in water	reacts with water
Solubility	soluble in hydrochloric acid
Structure
Crystal structure	Orthorhombic, oS10
Space group	Cmmm, No. 65
Related compounds
Other anions	Osmium tetrabromide
Other cations	Iron(III) chloride; Ruthenium(III) chloride; Osmium(III) chloride
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

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.