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| Names | |
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| Other names
bromine(I) chloride | |
| Identifiers | |
3D model (JSmol) |
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| ECHA InfoCard | 100.034.169 
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| UNII | |
| UN number | 2901 |
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| 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) | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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 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]
| Authority control databases: National |
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