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Properties of FeCl3

Properties of FeCl3 (Iron(III) chloride):

Compound NameIron(III) chloride
Chemical FormulaFeCl3
Molar Mass162.204 g/mol

Chemical structure
FeCl3 (Iron(III) chloride) - Chemical structure
Lewis structure
3D molecular structure
Physical properties
AppearanceGreen-black by reflected light; purple-red by transmitted light; yellow solid as hexahydrate; brown as aqueous solution
OdorSlight HCl
Solubility912.0 g/100mL
Density2.9000 g/cm³
Helium 0.0001786
Iridium 22.562
Melting307.60 °C
Helium -270.973
Hafnium carbide 3958
Boiling316.00 °C
Helium -268.928
Tungsten carbide 6000

Alternative Names

Ferric chloride
Molysite
Flores martis
Iron trichloride

Elemental composition of FeCl3
ElementSymbolAtomic weightAtomsMass percent
IronFe55.845134.4289
ChlorineCl35.453365.5711
Mass Percent CompositionAtomic Percent Composition
Fe: 34.43%Cl: 65.57%
Fe Iron (34.43%)
Cl Chlorine (65.57%)
Fe: 25.00%Cl: 75.00%
Fe Iron (25.00%)
Cl Chlorine (75.00%)
Mass Percent Composition
Fe: 34.43%Cl: 65.57%
Fe Iron (34.43%)
Cl Chlorine (65.57%)
Atomic Percent Composition
Fe: 25.00%Cl: 75.00%
Fe Iron (25.00%)
Cl Chlorine (75.00%)
Identifiers
CAS Number7705-08-0
SMILESCl[Fe](Cl)Cl
Hill formulaCl3Fe

Related compounds
FormulaCompound name
FeCl2Iron(II) chloride

Sample reactions for FeCl3
EquationReaction type
FeCl3 + NaOH = Fe(OH)3 + NaCldouble replacement
FeCl3 + NH4OH = Fe(OH)3 + NH4Cldouble replacement
FeCl3 + KOH = Fe(OH)3 + KCldouble replacement
FeCl3 + Na2CO3 = Fe2(CO3)3 + NaCldouble replacement
FeCl3 + KSCN = Fe(SCN)3 + KCldouble replacement

Related
Molecular weight calculator
Oxidation state calculator

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