Iodine oxide
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Iodine oxides are chemical compounds and oxides of iodine. There exist multiple oxides as iodine has more than one oxidation state.
| I2O4 | I2O5 | I4O9 | |
| Synonyms | diiodine tetraoxide | diiodine pentaoxide | tetraiodine nonaoxide |
| CAS registry | 12029-98-0 | ||
| Appearance | crystalline solid | ||
| Oxidation state | +4 | +5 | +6 |
| Melting point | decomp. 75°C | decomp. 300 - 350°C | > 100°C |
| Specific gravity | 4.2 | 4.8 | |
| Solubility water | decomp. to HIO3 + I2 | 187 g/100 ml | |
| Iodine oxides [1]. | |||
The iodide oxide free radical (IO) is a known Ozone depletion agent [2]. Atmospheric iodine containing compounds form iodine radicals which react with ozone to iodine oxide radicals (IO) and oxygen. The IO radicals then in turn participate in other ozone consuming chemical reactions.
See also
- Other compounds of iodine with elements in the periodic table:
References
- ↑ Template:RubberBible86th
- ↑ Halogens Hover In Antarctic Iodine oxide and bromine oxide deplete atmospheric ozone Rachel Petkewich Chemical & Engineering News July 23, 2007 Volume 85, Number 30 p. 9 http://pubs.acs.org/cen/news/85/i30/8530notw4.html