Osmium(III) bromide

Osmium(III) bromide
Names
	IUPAC name Tribromoosmium
	Other names Osmium tribromide
Identifiers
CAS Number	59201-51-3 ;
3D model (JSmol)	Interactive image;
PubChem CID	15381336;
	InChI InChI=1S/3BrH.Os/h3*1H;/q;;;+3/p-3 Key: GCZALAMYKLLEHP-UHFFFAOYSA-K;
	SMILES [Os+2].[Br-].[Br-].[Br-];
Properties
Chemical formula	Br3Os
Molar mass	429.94 g·mol−1
Appearance	dark-grey solid
Density	g/cm3
Melting point	340
Solubility in water	insoluble
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Osmium(III) tribromide is a binary inorganic compound with the chemical formula OsBr
₃.^[1]

Synthesis

Decomposition of osmium tetrabromide under vacuum heating:

2OsBr₄ → 2OsBr₃ + Br₂

The compound forms dark-grey crystals.^[2] Insoluble in water.^[3]

^ "Osmium Bromide". American Elements. Retrieved 19 April 2023.
^ "Osmium (III) Bromide, OsBr3". matweb.com. Retrieved 19 April 2023.
^ Lide, David R. (19 June 2003). 1998 Freshman Achievement Award. CRC Press. pp. 4–79. ISBN 978-0-8493-0594-8. Retrieved 19 April 2023.