Iron
Iron and iron compounds are widely distributed in nature and can function as reagents or catalysts. For example, ferric chloride and bromide have long been used as Lewis acid iron catalysts in the classic electrophilic aromatic substitution reaction. Of particular interest are iron complexes with organic ligands, which can serve as environmentally friendly Fe catalysts for a host of transformations. Illustrating this point is the very useful role that iron catalysis is playing in the timely study of the ammonia-borane dehydrogenation process, since ammonia-borane (NH3:BH3, AB) is of interest as a hydrogen-storage material.

Sigma-Aldrich offers a variety of iron catalysts and reagents. Search below to find the product that fits your research needs.

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106860 Acetylferrocene 95% C12H12FeO
    • F1543 Ammonium iron(II) sulfate hexahydrate BioXtra, ≥98% H8FeN2O8S2 · 6H2O
    • 215406 Ammonium iron(II) sulfate hexahydrate ACS reagent, 99% H8FeN2O8S2 · 6H2O
    • 221260 Ammonium iron(III) sulfate dodecahydrate ACS reagent, 99% H4FeNO8S2 · 12H2O
    • F3629 Ammonium iron(III) sulfate dodecahydrate ReagentPlus®, ≥99% H4FeNO8S2 · 12H2O
    • 349585 Benzoylferrocene ≥98% C17H14FeO
    • 725390 1,1′-Bis[bis(diethylamino)phosphino]ferrocene C26H48FeN4P2
    • 698296 1,2-Bis(diethylphosphino)ethane 97% C10H24P2
    • 540404 1,1′-Bis(dimethylsilyl)ferrocene 97% C14H22FeSi2
    • 378542 Bis(pentamethylcyclopentadienyl)iron(II) 97% C20H30Fe
    • 731382 (2R,2′R-(+)-[N,N′-Bis(2-pyridylmethyl)]-2,2′-bipyrrolidinebis(acetonitrile)iron(II) hexafluoroantimonate Green Alternative C24H32F12FeN6Sb2
    • 730459 (2S,2′S-(−)-[N,N′-Bis(2-pyridylmethyl)]-2,2′-bipyrrolidinebis(acetonitrile)iron(II) hexafluoroantimonate Green Alternative C24H32F12FeN6Sb2
    • 562416   Bis(tetramethylcyclopentadienyl)iron(II) C18H26Fe
    • 725242 Bromoferrocene C10H9BrFe
    • 681571 (6-Bromohexyl)ferrocene C16H21BrFe
    • 681563 (6-Bromo-1-oxohexyl)ferrocene C16H19BrFeO
    • 469025 tert-Butylferrocene 97% C14H18Fe
    • 593591 (1-Chloro-2-formylvinyl)ferrocene C13H11ClFeO
    • 598089 Cyclopentadienyldicarbonyl(tetrahydrofuran)iron(II) tetrafluoroborate C11H13BF4FeO3
    • 225487 Cyclopentadienyl iron(II) dicarbonyl dimer 99% C14H10Fe2O4
    • 106879 1,1′-Diacetylferrocene 97% C14H14FeO2
    • CDS010222 (R)-(-)-1-[(S)-2-(di(3,5-bis-trifluoromethylphenyl)phosphino)ferrocenyl]ethyldicyclohexylphosphine AldrichCPR C40H40F12FeP2
    • CDS010221 (R)-(-)-1-[(S)-2-(di(3,5-bis-trifluoromethylphenyl)phosphino)ferrocenyl]ethyldi(3,5-dimethylphenyl)phosphine AldrichCPR C44H36F12FeP2
    • 710393 1,1′-Dibromoferrocene 97% C10H8Br2Fe
    • 734136 Di-tert-butylferrocenylphosphonium tetrafluoroborate 97%  
    • 251119 Dicarbonylcyclopentadienyliodoiron(II) 97% C7H5FeIO2
    • 742651 P,P-Dichloroferrocenylphosphine ≥95% (T) C10H9Cl2FeP
    • 225460 Diironnonacarbonyl 98% C9Fe2O9
    • 119342 (Dimethylaminomethyl)ferrocene 96% C13H17FeN
    • 109576 1,1′-Dimethylferrocene 95% C12H14Fe
    • 225495 Disodium tetracarbonylferrate dioxane complex C4FeNa2O4 · 1.5C4H8O2
    • 484350 Ethylferrocene 98% C12H14Fe
    • 442658 Ethynylferrocene 97% C12H10Fe
    • 716146 [FeCl2bis(dppbz)] 95% C60H48Cl2FeP4
    • 809330   Fe/ppm Pd for nitro group reductions  
    • 799661   Fe/ppm Pd for Suzuki-Miyaura Cross-Couplings  
    • F408 Ferrocene 98% C10H10Fe
    • 335045 Ferroceneacetic acid 98% C12H12FeO2
    • 335053 Ferroceneacetonitrile C12H11FeN
    • 455547 Ferroceneboronic acid C10H11BFeO2
    • 56257 Ferroceneboronic acid for HPLC derivatization, ≥97.0% (HPLC) C10H11BFeO2
    • 122459 Ferrocenecarboxaldehyde 98% C11H10FeO
    • 46264 Ferrocenecarboxylic acid purum, ≥97.0% (Fe) C11H10FeO2
    • 106887 Ferrocenecarboxylic acid 97% C11H10FeO2
    • 496391 1,1′-Ferrocenedicarboxaldehyde 96% C12H10FeO2
    • 106895 1,1′-Ferrocenedicarboxylic acid 96% C12H10FeO4
    • 372625 1,1′-Ferrocenedimethanol 97% C12H14FeO2
    • 335061 Ferrocenemethanol 97% C11H12FeO
    • 388297 Ferrocenium hexafluorophosphate 97% C10H10F6FeP
    • 482358 Ferrocenium tetrafluoroborate technical grade C10H10BF4Fe
    • 706191 Ferrocenylmethyl alcohol 95% (H-NMR) C11H12FeO
    • 385670 trans-4-[2-(1-Ferrocenyl)vinyl]-1-methylpyridinium iodide 97% C18H12FeIN
    • 44890 Iron puriss. p.a., carbonyl-Iron powder, low in magnesium and manganese compounds, ≥99.5% (RT) Fe
    • 12310 Iron ≥99%, reduced, powder (fine) Fe
    • 356808 Iron foil, thickness 0.1 mm, ≥99.9% trace metals basis Fe
    • 209309 Iron powder, −325 mesh, 97% Fe
    • 267953 Iron powder, <10 μm, ≥99.9% trace metals basis Fe
    • 356824 Iron wire, diam. 1.0 mm, ≥99.9% trace metals basis Fe
    • 356832 Iron wire, diam. 0.5 mm, ≥99.9% trace metals basis Fe
    • 517003 Iron(III) acetylacetonate ≥99.9% trace metals basis C15H21FeO6
    • 44920 Iron(III) acetylacetonate purum, ≥97.0% (RT) C15H21FeO6
    • F300 Iron(III) acetylacetonate 97% C15H21FeO6
    • 709018 Iron(III) arsenide 99.5% trace metals basis AsFe
    • 400831 Iron(II) bromide 98% Br2Fe
    • 217883 Iron(III) bromide 98% Br3Fe
    • 450944 Iron(II) chloride anhydrous, beads, −10 mesh, 99.9% trace metals basis Cl2Fe
    • 372870 Iron(II) chloride 98% Cl2Fe
    • 451649 Iron(III) chloride anhydrous, powder, ≥99.99% trace metals basis Cl3Fe
    • 701122 Iron(III) chloride sublimed grade, ≥99.9% trace metals basis Cl3Fe
    • 236489 Iron(III) chloride hexahydrate ACS reagent, 97% Cl3Fe · 6H2O
    • F2877 Iron(III) chloride hexahydrate reagent grade, ≥98%, chunks Cl3Fe · 6H2O
    • 12322 Iron(III) chloride solution purum, 45% FeCl3 basis Cl3Fe
    • 710857 Iron(III) chloride solution 0.2 M in 2-methyltetrahydrofuran Green Alternative Cl3Fe
    • 778117   Iron disulfide powder, −325 mesh, 99.8% trace metals basis FeS2
    • 414913 Iron(II) ethylenediammonium sulfate tetrahydrate 98% C2H10N2O4S · FeSO4 · 4H2O
    • 44953 Iron(II) lactate hydrate ≥98.0% (dried material) C6H10FeO6 · xH2O
    • 254223 Iron(III) nitrate nonahydrate ≥99.95% trace metals basis FeN3O9 · 9H2O
    • 216828 Iron(III) nitrate nonahydrate ACS reagent, ≥98% FeN3O9 · 9H2O
    • F3002 Iron(III) nitrate nonahydrate ≥98% FeN3O9 · 9H2O
    • 481718 Iron(0) pentacarbonyl >99.99% trace metals basis C5FeO5
    • 195731 Iron(0) pentacarbonyl C5FeO5
    • 436011 Iron(III) phosphate dihydrate Fe 29 % FeO4P · 2H2O
    • 215422 Iron(II) sulfate heptahydrate ACS reagent, ≥99.0% Green Alternative FeO4S · 7H2O
    • 12354 Iron(II) sulfate heptahydrate puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, 99.5-104.5% (manganometric) FeO4S · 7H2O
    • 12353 Iron(II) sulfate hydrate puriss., meets analytical specification of Ph. Eur., BP, exsiccated, 86.0-89.0% FeSO4 basis FeO4S · xH2O
    • 307718 Iron(III) sulfate hydrate 97% Fe2O12S3 · xH2O
    • 343161 Iron(II) sulfide −100 mesh, 99.9% trace metals basis FeS
    • 462861 Iron(III) p-toluenesulfonate hexahydrate technical grade C21H21FeO9S3 · 6H2O
    • 698172 Iron(II) trifluoromethanesulfonate ≥85% C2F6FeO6S2
    • 708801 Iron(III) trifluoromethanesulfonate 90% C3F9FeO9S3
    • 369268 α-Methylferrocenemethanol 97% C12H14FeO
    • 671940 1′,2′,3′4′,5′-Pentaphenylferrocene carboxamide ≥98.0% (HPLC) C41H31FeNO
    • P3289 Potassium hexacyanoferrate(II) trihydrate ACS reagent, 98.5-102.0% C6FeK4N6 · 3H2O
    • 244023 Potassium hexacyanoferrate(III) ACS reagent, ≥99.0% C6FeK3N6
    • CDS001589 Sodium ferrocyanide AldrichCPR C6FeN6Na4
    • 13425 Sodium ferrocyanide decahydrate ≥99% C6FeN6Na4 · 10H2O
    • 208965 Sodium hexafluoroferrate(III) F6FeNa3
    • 228710 Sodium nitroferricyanide(III) dihydrate ACS reagent, ≥99% C5FeN6Na2O · 2H2O
    • 252913 5,10,15,20-Tetrakis(pentafluorophenyl)-21H,23H-porphyrin iron(III) chloride ≥95% (HPLC) C44H8ClF20FeN4
    • 275913 Tricarbonyl(cyclooctatetraene)iron(II) 98% C11H8FeO3
    • 268739 Tricarbonyl(2-methoxycyclohexadienylium) iron hexafluorophosphate 97% C10H9FeO4 · PF6
    • 381411 Triirondodecacarbonyl contains 1-10% methyl alcohol C12Fe3O12
    • 283630 Vinylferrocene 97% C12H12Fe