Iron(II) iodide is an inorganic compound with the chemical formula FeI2.[1] It is used as a catalyst in organic reactions.

Iron(II) iodide
Names
IUPAC name
Iron(II) iodide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.029.119
EC Number
  • 232-031-2
Properties
FeI2
Molar mass 309.65 g/mol
Appearance White to off-white powder
Density 5.315 g/cm3
Melting point 587 °C (1,089 °F; 860 K)
Boiling point 827 °C (1,521 °F; 1,100 K)
soluble
+13,600·10−6 cm3/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

ReactionsEdit

The thermal decomposition of tetrahydrate iron(II) iodide produces iron(II) hydroxide-iodide, hydrogen iodide, and water:

FeI2•4H2O → Fe(OH)I + HI + 3 H2O

This reaction takes place at a temperature of over 100 °C.

ReferencesEdit