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Osmium(III) chloride

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Osmium(III) chloride
Names

Other names trichloroosmium, osmium trichloride
Identifiers
CAS Number	13444-93-4 anhydrous 14996-60-2 trihydrate
3D model (JSmol)	Interactive image
ChemSpider	75306
ECHA InfoCard	100.033.247
EC Number	236-587-7
PubChem CID	83468
CompTox Dashboard(EPA)	3065457
InChI InChI=1S/3ClH.Os/h3*1H;/q;;;+3/p-3 Key: UAIHPMFLFVHDIN-UHFFFAOYSA-K
SMILES Cl[Os](Cl)Cl
Properties
Chemical formula	Cl₃Os
Molar mass	296.58 g·mol⁻¹
Appearance	black-brown crystals
Melting point	560 °C (1,040 °F; 833 K)
Solubility in water	soluble
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa). Infobox references

Chemical compound

Osmium(III) chloride is aninorganic chemical compound ofosmium metal andchlorine with the chemical formulaOsCl₃.^[1]^[2]

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

2Os + 3Cl₂ → 2OsCl₃

It can also be made by heating ofosmium(IV) chloride:

2OsCl₄ → 2OsCl₃ + Cl₂

Osmium(III) chloride forms black-brown crystals.^[3]

Osmium(III) chloride forms a hydrate of the compositionOsCl₃·3H₂O with dark green crystals.^[4]

Osmium(III) chloride hydrate is used as a precursor material for the production of dichlorodihydridoosmium complex compounds and other compounds.^[5]

It is the precursor to a variety of arene complexes.^[6]

^"Osmium(III) chloride".Sigma Aldrich. Retrieved31 March 2023.
^Lide, David R. (19 June 2003).1998 Freshman Achievement Award.CRC Press. p. 4-79.ISBN 978-0-8493-0594-8. Retrieved31 March 2023.
^"Osmium(III) chloride". heraeus.com. Retrieved31 March 2023.
^"Osmium(III) chloride hydrate, Thermo Scientific Chemicals | Fisher Scientific". fishersci.se. Retrieved31 March 2023.
^"Osmium(III) chloride hydrate".Sigma Aldrich. Retrieved31 March 2023.
^Bell, Andrew G.; Koźmiński, Wiktor; Linden, Anthony; von Philipsborn, Wolfgang (1996). "¹⁸⁷Os NMR Study of (η⁶-Arene)osmium(II) Complexes: Separation of Electronic and Steric Ligand Effects".Organometallics.15 (14):3124–3135.doi:10.1021/om960053i.