Osmium(III) chloride

Names
Other names

trichloroosmium, osmium trichloride

Identifiers

CAS Number

* 13444-93-4 anhyd
* 14996-60-2 trihydrate

3D model (JSmol)

* Interactive image

ChemSpider |

* 75306

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 their standard state (at 25 °C [77 °F], 100 kPa).

Infobox references

Osmium(III) chloride is an inorganic chemical compound of osmium metal and chlorine with the chemical formula OsCl
3.[1][2]

## Contents

* 1 Synthesis
* 2 Physical properties
* 3 Uses and reactions
* 4 References

## Synthesis

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

2Os + 3Cl
2 → 2OsCl

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

2OsCl
4 → 2OsCl
3 +

## Physical properties

Sample of commercial osmium trichloride trihydrate.

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

Osmium(III) chloride forms a hydrate of the composition OsCl
3 * 3H2O with dark green crystals.[4]

## Uses and reactions

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]

## References

1. ↑ "Osmium(III) chloride". Sigma Aldrich. https://www.sigmaaldrich.com/RU/en/product/aldrich/398594.
2. ↑ Lide, David R. (19 June 2003) (in en). 1998 Freshman Achievement Award. CRC Press. p. 4-79. ISBN 978-0-8493-0594-8. https://books.google.com/books?id=lFjg0L-uOxoC&dq=Osmium(III)+chloride&pg=SA4-PA79. Retrieved 31 March 2023.
3. ↑ "Osmium(III) chloride" (in en). heraeus.com. https://www.heraeus.com/en/hpm/hmp_products_solutions/precious_metal_compounds_homogeneous_catalysts/cp_selector/productdetail/5027818.html.
4. ↑ "Osmium(III) chloride hydrate, Thermo Scientific Chemicals | Fisher Scientific". fishersci.se. https://www.fishersci.se/shop/products/osmium-iii-chloride-hydrate-thermo-scientific/10450351.
5. ↑ "Osmium(III) chloride hydrate". Sigma Aldrich. https://www.sigmaaldrich.com/RU/en/product/aldrich/209066.
6. ↑ 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.

* v
* t
* e

Osmium compounds

Os(0)|

* Os3(CO)12

Os(0,I)|

* H2Os3(CO)10

Os(I)|

* OsB

Os(I,II)|

* Os2B3

Os(II)|

* OsB2

| Organoosmium(II) compounds|

* Os(C5H5)2

|

Os(IV)|

* OsO2
* OsCl4

Os(VI)|

* OsF6

Os(VIII)|

* OsO4
* OsS4

* v
* t
* e

Salts and covalent derivatives of the chloride ion

HCl |  |  |  | He

|
|
|
|

LiCl | BeCl2 | BCl3
B2Cl4 | CCl4 | NCl3
ClN3 | Cl2O
ClO2
Cl2O7 | ClF
ClF3
ClF5 | Ne
NaCl | MgCl2 | AlCl
AlCl3 | SiCl4 | P2Cl4
PCl3
PCl5 | S2Cl2
SCl2
SCl4 | Cl2 | Ar
KCl | CaCl
CaCl2 | ScCl3 | TiCl2
TiCl3
TiCl4 | VCl2
VCl3
VCl4
VCl5 | CrCl2
CrCl3
CrCl4 | MnCl2 | FeCl2
FeCl3 | CoCl2
CoCl3 | NiCl2 | CuCl
CuCl2 | ZnCl2 | GaCl2
GaCl3 | GeCl2
GeCl4 | AsCl3
AsCl5 | Se2Cl2
SeCl4 | BrCl | KrCl
RbCl | SrCl2 | YCl3 | ZrCl3
ZrCl4 | NbCl4
NbCl5 | MoCl2
MoCl3
MoCl4
MoCl5
MoCl6 | TcCl4 | RuCl3 | RhCl3 | PdCl2 | AgCl | CdCl2 | InCl
InCl2
InCl3 | SnCl2
SnCl4 | SbCl3
SbCl5 | Te3Cl2
TeCl4 | ICl
ICl3 | XeCl
XeCl2
CsCl | BaCl2 |  | HfCl4 | TaCl5 | WCl2
WCl3
WCl4
WCl5
WCl6 | Re3Cl9
ReCl4
ReCl5
ReCl6 | OsCl4 | IrCl2
IrCl3
IrCl4 | PtCl2
PtCl4 | AuCl
AuCl3 | Hg2Cl2,
HgCl2 | TlCl | PbCl2,
PbCl4 | BiCl3 | PoCl2,
PoCl4 | AtCl  | RnCl2
FrCl | RaCl2 |  | Rf  | Db  | Sg  | Bh  | Hs  | Mt  | Ds  | Rg  | Cn  | Nh  | Fl  | Mc  | Lv  | Ts  | Og
| ↓  |  |
LaCl3 | CeCl3 | PrCl3 | NdCl2,
NdCl3 | PmCl3 | SmCl2,
SmCl3 | EuCl2,
EuCl3 | GdCl3 | TbCl3 | DyCl2,
DyCl3 | HoCl3 | ErCl3 | TmCl2
TmCl3 | YbCl2
YbCl3 | LuCl3
AcCl3 | ThCl4 | PaCl5 | UCl3
UCl4
UCl5
UCl6 | NpCl4 | PuCl3 | AmCl2
AmCl3 | CmCl3 | BkCl3 | CfCl3 | EsCl3 | Fm  | Md  | No  | LrCl3

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