Iodous acid

Iodous acid
Names
IUPAC name
iodous acid
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.032.004
  • InChI=1S/HIO2/c2-1-3/h(H,2,3)
  • O[I+][O-]
Properties
HIO2
Molar mass 159.911
Conjugate base Iodite
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Iodous acid is the chemical compound with the formula HIO2. Its salts are named iodites; these are exceedingly unstable and have been observed but never isolated. They will rapidly disproportionate to molecular iodine and iodates.