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| Names | |||
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IUPAC name
iodous acid
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| Identifiers | |||
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3D model (Jmol)
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| ChemSpider | |||
| ECHA InfoCard | 100.032.011 | ||
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PubChem CID
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| Properties | |||
| HIO2 | |||
| Molar mass | 159.911 | ||
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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| 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.