Bromine monochloride

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 re = 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]

Bromine monochloride
Names
Other names
bromine(I) chloride
bromochloride
bromine chloride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.034.169
EC Number
  • 237-601-4
RTECS number
  • EF9200000
UNII
UN number 2901
  • InChI=1S/BrCl/c1-2 Y
    Key: CODNYICXDISAEA-UHFFFAOYSA-N Y
  • InChI=1/BrCl/c1-2
    Key: CODNYICXDISAEA-UHFFFAOYAZ
  • BrCl
Properties
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

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]

See also

References
  1. Gangolli, S.; Royal Society of Chemistry (1999). The Dictionary of Substances and Their Effects. p. 676. ISBN 0-85404-808-1.
  2. 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.
  3. Drews, Thomas; Seppelt, Konrad (October 2012). "Bromine Monofluoride". Zeitschrift für anorganische und allgemeine Chemie. 638 (12–13): 2106–2110. doi:10.1002/zaac.201200293.
  4. "Battery Chemistry - Lithium / Thionyl Chloride". GlobalSpec. Archived from the original on 2007-12-23. Retrieved 2008-07-09.
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