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
F1668 Ammonium iron(III) sulfate dodecahydrate BioXtra, ≥99% H4FeNO8S2 · 12H2O
F3629 Ammonium iron(III) sulfate dodecahydrate ReagentPlus®, ≥99% H4FeNO8S2 · 12H2O
34249 Ammonium iron(III) sulfate solution volumetric, 0.1 M (NH4)Fe(SO4)2 H4FeNO8S2
594334 Benzenecyclopentadienyliron(II) hexafluorophosphate C11H11F6FeP
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
325236 Butylferrocene 97% C14H18Fe
469025 tert-Butylferrocene 97% C14H18Fe
593591 (1-Chloro-2-formylvinyl)ferrocene C13H11ClFeO
598089 Cyclopentadienyldicarbonyl(tetrahydrofuran)iron(II) tetrafluoroborate C11H13BF4FeO3
484199 Cyclopentadienyl(fluorene)iron(II) hexafluorophosphate 98% C18H15F6FeP
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
698547 α-(N,N-Dimethylamino)ethylferrocene 97% C14H19FeN
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
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
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%, 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%, purified lumps 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 99.99% 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
737968 Iron(III) trifluoroacetylacetonate 99.5% trace metals basis C15H12F9FeO6
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
12639 Potassium hexacyanoferrate(II) trihydrate purum, ≥99% C6FeK4N6 · 3H2O
393517 Potassium hexacyanoferrate(III) ACS reagent, ≥99%, powder, <10 μm C6FeK3N6
244023 Potassium hexacyanoferrate(III) ACS reagent, ≥99.0% C6FeK3N6
12643 Potassium hexacyanoferrate(III) purum, ≥99% (iodometric) C6FeK3N6
34272 Potassium hexacyanoferrate(III) solution volumetric, 0.1 M K3Fe(CN)6  
CDS001589 Sodium ferrocyanide AldrichCPR C6FeN6Na4
13425 Sodium ferrocyanide decahydrate ≥99% C6FeN6Na4 · 10H2O
208965 Sodium hexafluoroferrate(III) F6FeNa3
431451 Sodium nitroferricyanide(III) dihydrate C5FeN6Na2O · 2H2O
228710 Sodium nitroferricyanide(III) dihydrate ACS reagent, ≥99% C5FeN6Na2O · 2H2O
71780 Sodium nitroprusside dihydrate purum p.a., ≥98.0% (AT) C5FeN6Na2O · 2H2O
13451 Sodium nitroprusside dihydrate 98% 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