Iodosyl trifluoride
Chemical compound
From Wikipedia, the free encyclopedia
Iodosyl trifluoride is an inorganic compound of iodine, fluorine, and oxygen with the chemical formula IOF3.[1]
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| Properties | |
| IOF3 | |
| Molar mass | 199.899 g·mol−1 |
| Appearance | colorless needles |
| Density | 3.95 g/cm3 |
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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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Synthesis
Synthesis of iodosyl trifluoride can be done by a reaction of iodine pentoxide with iodine pentafluoride.[2]
- I2O5 + 3 IF5 → 5 IOF3
Synthesis can be by a reaction of gases:[3]
Or alternately by reaction of iodine pentafluoride with water:
- IF5 + H2O → IOF3 + 2 HF
Physical properties
Chemical properties
Iodosyl trifluoride is hygroscopic and decomposes into IO2F and IF5 at 110 °C (230 °F).[5]

