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Properties of FeI2

Properties of FeI2 (Iron(II) iodide):

Compound NameIron(II) iodide
Chemical FormulaFeI2
Molar Mass309.65394 g/mol

Chemical structure
FeI2 (Iron(II) iodide) - Chemical structure
Lewis structure
3D molecular structure
Physical properties
AppearanceWhite to off-white or grey powder
Solubilitysoluble
Density5.3150 g/cm³
Helium 0.0001786
Iridium 22.562
Melting587.00 °C
Helium -270.973
Hafnium carbide 3958
Boiling827.00 °C
Helium -268.928
Tungsten carbide 6000

Alternative Names

Ferrous iodide

Elemental composition of FeI2
ElementSymbolAtomic weightAtomsMass percent
IronFe55.845118.0346
IodineI126.90447281.9654
Mass Percent CompositionAtomic Percent Composition
Fe: 18.03%I: 81.97%
Fe Iron (18.03%)
I Iodine (81.97%)
Fe: 33.33%I: 66.67%
Fe Iron (33.33%)
I Iodine (66.67%)
Mass Percent Composition
Fe: 18.03%I: 81.97%
Fe Iron (18.03%)
I Iodine (81.97%)
Atomic Percent Composition
Fe: 33.33%I: 66.67%
Fe Iron (33.33%)
I Iodine (66.67%)
Identifiers
CAS Number7783-86-0
SMILES[Fe+2].[I-].[I-]
Hill formulaFeI2

Related compounds
FormulaCompound name
FeI3Iron(III) iodide

Sample reactions for FeI2
EquationReaction type
FeI2 + NaOH = Fe(OH)2 + NaIdouble replacement

Related
Molecular weight calculator
Oxidation state calculator

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