Iron(III) bromide

Iron(III) bromide

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IUPACName = Iron(III) bromide
OtherNames = Ferric bromide Iron tribromide
Section1 = Chembox Identifiers
CASNo = 10031-26-2
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Section2 = Chembox Properties
Formula = FeBr3
MolarMass = 295.56 g/mol
Appearance = brown solid
Density = 4.50 g cm−3
MeltingPt = 200 °C (decomposes)
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Section3 = Chembox Hazards
MainHazards = corrosive
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RPhrases = 36/37/38
SPhrases = 26-37/39
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Iron(III) bromide is the chemical compound with the formula FeBr3. Also known as ferric bromide, this red-brown compound is used as a Lewis acid catalyst in the halogenation of aromatic compounds. It reacts with water to give acidic solutions.

tructure, synthesis and basic properties

FeBr3 forms a polymeric structure featuring six-coordinate, octahedral Fe centers.Holleman, A. F.; Wiberg, E. "Inorganic Chemistry" Academic Press: San Diego, 2001. ISBN 0-12-352651-5.] Although inexpensively available commercially, FeBr3 can be prepared by treatment of iron metal with bromine::2 Fe + 3 Br2 → 2 FeBr3

Above 200 °C, FeBr3 decomposes to ferrous bromide::FeBr3 → FeBr2 + 0.5 Br2FeCl3 is considerably more stable, reflecting the greater oxidizing power of chlorine. And, following conventional trends, FeI3 is less stable than the tribromide.

References

External links

* [http://www.chemistry.ohio-state.edu/~hadad/252/notes/chapter16/chapter16.html Example of use]


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