Thionyl bromide

Thionyl bromide
Structure of the thionyl bromide molecule	3D model of a thionyl bromide molecule
Names
	IUPAC name Thionyl bromide
	Other names Sulfur oxy dibromide
Identifiers
CAS Number	507-16-4 ;
3D model (JSmol)	Interactive image;
ChemSpider	61483 ;
ECHA InfoCard	100.007.332
EC Number	208-064-3;
PubChem CID	68176;
UNII	N6CU78B13T ;
CompTox Dashboard (EPA)	DTXSID0060143 ;
	InChI InChI=1S/Br2OS/c1-4(2)3 Key: HFRXJVQOXRXOPP-UHFFFAOYSA-N ; InChI=1/Br2OS/c1-4(2)3 Key: HFRXJVQOXRXOPP-UHFFFAOYAY;
	SMILES BrS(Br)=O;
Properties
Chemical formula	SOBr2
Molar mass	207.87 g/mol
Appearance	colorless liquid
Density	2.688 g/mL, liquid
Melting point	−52 °C (−62 °F; 221 K) ; may include supercooling
Boiling point	48 °C at 20 mmHg; 136 °C at 1 atm but 1⁄3 decomposes;
Solubility in water	decomposes
Solubility	reacts in HBr, acetone, and alcohol; soluble in benzene, toluene, ether
Structure
Molecular shape	trigonal pyramidal
Dipole moment	1.47 D
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Readily decomposes in air to toxic gases
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H312, H314, H332
Precautionary statements	P280, P305+P351+P338, P310
Flash point	Non-flammable
Safety data sheet (SDS)	"External MSDS"
Related compounds
Related compounds	SOCl2, SeOCl2; PBr3, Br2
	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

Thionyl bromide is the chemical compound SOBr₂. It is less stable and less widely used than its chloride analogue, thionyl chloride, but engages in similar reactions.^[3]

^ ^a ^b ^c ^d ^e Magee, Philip S. (1971). "The Sulfur–Bromine Bond". In Senning, Alexander (ed.). Sulfur in Organic and Inorganic Chemistry. Vol. 1. New York: Marcel Dekker. pp. 271–276. ISBN 0-8247-1615-9. LCCN 70-154612.
^ "Thionyl bromide". Sigma Aldrich.
^ Mundy, B. P. (2004). "Thionyl Bromide". In Paquette, E. (ed.). Encyclopedia of Reagents for Organic Synthesis. New York: J. Wiley & Sons. doi:10.1002/047084289X.rt098. ISBN 0471936235.

[Sulf-1] Magee, Philip S. (1971). "The Sulfur–Bromine Bond". In Senning, Alexander (ed.). Sulfur in Organic and Inorganic Chemistry. Vol. 1. New York: Marcel Dekker. pp. 271–276. ISBN 0-8247-1615-9. LCCN 70-154612.

[2] "Thionyl bromide". Sigma Aldrich.

[3] Mundy, B. P. (2004). "Thionyl Bromide". In Paquette, E. (ed.). Encyclopedia of Reagents for Organic Synthesis. New York: J. Wiley & Sons. doi:10.1002/047084289X.rt098. ISBN 0471936235.

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