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Bromine monochloride

Chemical compound From Wikipedia, the free encyclopedia

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]

Quick facts Names, Identifiers ...
Bromine monochloride
structural diagram
structural diagram
space-filling molecular model
space-filling molecular model
Names
Other names
bromine(I) chloride
bromochloride
bromine chloride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.034.169 Edit this at Wikidata
EC Number
  • 237-601-4
RTECS number
  • EF9200000
UNII
UN number 2901
  • InChI=1S/BrCl/c1-2 checkY
    Key: CODNYICXDISAEA-UHFFFAOYSA-N checkY
  • 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)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 2: Undergoes violent chemical change at elevated temperatures and pressures, reacts violently with water, or may form explosive mixtures with water. E.g. white phosphorusSpecial hazard OX: Oxidizer. E.g. potassium perchlorate
3
0
2
OX
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkYX markN ?)
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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]

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