Potassium perbromate

Potassium perbromate
IUPAC name	Potassium perbromate
Other names	Potassium bromate(VII)
Identifiers
InChI	InChI=1/BrHO4.K/c2-1(3,4)5;/h(H,2,3,4,5);/q;+1/p-1
InChIKey	VXLUZERCXISKBW-REWHXWOFAE
Standard InChI	InChI=1S/BrHO4.K/c2-1(3,4)5;/h(H,2,3,4,5);/q;+1/p-1
Standard InChIKey	VXLUZERCXISKBW-UHFFFAOYSA-M
CAS number	[22207-96-1]
ChemSpider	9369771
Properties
Chemical formula	KBrO4
Molar mass	183.00 g mol−1
Melting point	275–280 °C decomp.
Solubility in water	ca. 3.7 g/100 g
Thermochemistry
Std enthalpy of formation ΔfHo298	−287.6 kJ mol−1
Std Gibbs energy of formation ΔfGo298	−174.1 kJ mol−1
Standard molar entropy So298	170 J K−1 mol−1
Related compounds
Other anions	Potassium perchlorate Potassium periodate
Other cations	Lithium perbromate Sodium perbromate Rubidium perbromate Caesium perbromate
Other compounds	Potassium bromide Potassium hypobromite Potassium bromite Potassium bromate
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

Potassium bromate, KBrO₄, is the potassium salt of perbromic acid. It is prepared by the neutralization of perbromic acid with potassium carbonate or potassium hydroxide.

Notes and references

Further reading

• Schreiner, Felix; Osborne, Darrell W.; Pocius, Alphonsus V.; Appelman, Evan H. Heat capacity of potassium perbromate, KBrO₄, between 5 and 350°K. Inorg. Chem. 1970, 9 (10), 2320–24. DOI: 10.1021/ic50092a024.