Bromine monochloride

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Bromine monochloride
Names



Other names bromine(I) chloride bromochloride bromine chloride
Identifiers
CAS Number	13863-41-7^Y
3D model (JSmol)	Interactive image
ChemSpider	55600^Y
ECHA InfoCard	100.034.169
EC Number	237-601-4
PubChem CID	61697
RTECS number	EF9200000
UNII	7G62XY5724
UN number	2901
CompTox Dashboard (EPA)	DTXSID4035259
InChI InChI=1S/BrCl/c1-2^Y Key: CODNYICXDISAEA-UHFFFAOYSA-N^Y InChI=1/BrCl/c1-2 Key: CODNYICXDISAEA-UHFFFAOYAZ
SMILES BrCl
Properties
Chemical formula	BrCl
Molar mass	115.357 g/mol
Appearance	golden yellow gas
Density	2.172 g/cm³
Melting point	−54 °C (−65 °F; 219 K)
Boiling point	5 °C (41 °F; 278 K)
Solubility in water	8.5 g/L
Hazards
NFPA 704 (fire diamond)	3 0 2 OX
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is ^YN ?) Infobox references

Bromine monochloride, also called bromine(I) chloride, bromochloride, and bromine chloride, is an interhalogen inorganic compound with chemical formula BrCl. It is a very reactive golden yellow gas with boiling point 5 °C and melting point −66 °C. Its CAS number is 13863-41-7, and its EINECS number is 237-601-4.^[1] It is a strong oxidizing agent. Its molecular structure in the gas phase was determined by microwave spectroscopy; the Br-Cl bond has a length of r_e = 2.1360376(18) Å.^[2] Its crystal structure was determined by single crystal X-ray diffraction; the bond length in the solid state is 2.179(2) Å and the shortest intermolecular interaction is r(Cl···Br) = 3.145(2) Å.^[3]

Uses

Bromine monochloride is used in analytical chemistry in determining low levels of mercury, to quantitatively oxidize mercury in the sample to Hg(II) state.

A common use of bromine monochloride is as an algaecide, fungicide, and disinfectant of industrial recirculating cooling water systems.

Addition of bromine monochloride is used in some types of Li-SO₂ batteries to increase voltage and energy density.^[4]

References

^ Gangolli, S.; Royal Society of Chemistry (1999). The Dictionary of Substances and Their Effects. p. 676. ISBN 0-85404-808-1.
^ Ogilvie, J. F. (1995). "Electric polarity⁺BrCl^–and rotational g factor from analysis of frequencies of pure rotational and vibration–rotational spectra". J. Chem. Soc., Faraday Trans. 91 (18): 3005–3006. doi:10.1039/ft9959103005. ISSN 0956-5000.
^ Drews, Thomas; Seppelt, Konrad (October 2012). "Bromine Monofluoride". Zeitschrift für anorganische und allgemeine Chemie. 638 (12–13): 2106–2110. doi:10.1002/zaac.201200293.
^ "Battery Chemistry - Lithium / Thionyl Chloride". GlobalSpec. Archived from the original on 2007-12-23. Retrieved 2008-07-09.

v t e Bromine compounds
Br(−I)	Br⁻ CH₃Br CH₂Br₂ CHBr₃ CBr₄ HBr C₃H₅Br
Br(−I,I)	Br−3
Br(I)	BrCl BrF BrN₃ BrNO₃ Br₂O BrO⁻ NBr₃
Br(II)	BrO
Br(I,V)	Br₂O₃
Br(III)	BrF₃ BrO−2
Br(IV)	BrO₂
Br(V)	BrF₅ Br₂O₅ BrO−3 BrOF₃ BrO₂F
Br(VII)	BrO−4 BrO₃F

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References