Bromine perchlorate

Bromine perchlorate
Names
Systematic IUPAC name
Bromoperchlorate
Other names
  • Perchloratobromine
Identifiers
3D model (JSmol)
  • InChI=1S/BrClO4/c1-6-2(3,4)5
  • O=Cl(=O)(=O)OBr
Properties
BrClO4
Molar mass 179.35 g/mol
Appearance Red liquid
Melting point −78 °C (−108 °F; 195 K)[1]
Boiling point −20 °C (−4 °F; 253 K)[1] (decomposes)
Vapor pressure 0.7 kPa (−23 °C)[1]
Related compounds
Other cations
 Fluorine perchlorate
Chlorine perchlorate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Bromine perchlorate is an inorganic chemical compound with the formula BrOClO3. It is a shock and light-sensitive red liquid which decomposes above -20 °C.[1][2]

Preparation and reactions

Bromine perchlorate can be produced from the reaction of cesium perchlorate and bromine fluorosulfate at -20 °C:[1]

CsClO4 + BrSO3F → BrOClO3 + CsSO3F

Alternatively, it can also be produced by the reaction of chlorine perchlorate and bromine at -45 °C. Bromine perchlorate reacts with hydrogen bromide to regenerate bromine:[1]

BrOClO3 + HBr → Br2 + HClO4

This compound also reacts with cesium perchlorate, to produce Cs[Br(ClO4)2], and various fluorocarbon halides, to produce fluoroalkyl perchlorates.[3][4]

References

  1. ^ a b c d e f Carl J. Schack; Karl O. Christe; Donald Pilipovich; Richard Dale Wilson (1971). "Bromine perchlorate". Inorganic Chemistry. 10 (5): 1078–1080. doi:10.1021/ic50099a045.
  2. ^ Karl O. Christe; Carl J. Schack; E. C. Curtis (1971). "Halogen perchlorates. Vibrational spectra". Inorganic Chemistry. 10 (8): 1589–1593. doi:10.1021/ic50102a009.
  3. ^ Carl J. Schack; Don Pilipovich; Karl O. Christe (1975). "Halogen perchlorates. Reactions with fluorocarbon halides". Inorganic Chemistry. 14 (1): 145–151. doi:10.1021/ic50143a032.
  4. ^ Karl O. Christe; Carl J. Schack (1974). "Halogen perchlorates. Reactions with fluorocarbon halides". Inorganic Chemistry. 13 (6): 1452–1455. doi:10.1021/ic50136a039.

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