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481718 Aldrich

Iron(0) pentacarbonyl

>99.99% trace metals basis

Synonym: Iron(0) carbonyl, Pentacarbonyliron(0)



Related Categories CVD and ALD Precursors by Metal, Catalysis and Inorganic Chemistry, Chemical Synthesis, Iron, Materials Science,
vapor density   6.74 (vs air)
vapor pressure   35 mmHg ( 25 °C)
  40 mmHg ( 30.3 °C)
assay   >99.99% trace metals basis
autoignition temp.   122 °F
refractive index   n20/D 1.5196(lit.)
bp   103 °C(lit.)
mp   −20 °C(lit.)
density   1.49 g/mL at 25 °C(lit.)
storage temp.   2-8°C


General description

Atomic number of base material: 26 Iron


25, 100 mL in Sure/Seal™


Reactant for:
• Addition reactions1
• Decomposition via photolysis2
• Preparation of magnetic Fe onion-like fullerene micrometer-sized particles of narrow size distribution via thermal decomposition3
• Preparation of a heptanuclear iron carbonyl cluster used in catalytic hydrosilane reduction of carboxamides4

• Precursor for preparation of Fe nanoparticles for photocatalytic hydrogen evolution under highly basic conditions5

Protocols & Applications

Chemical Synthesis of Monodisperse Magnetic Nanoparticles

Price and Availability

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Carbonyl iron

≥97% Fe basis

Cobalt carbonyl

moistened with hexane (hexane 1-10%), ≥90% (Co)

Safety & Documentation

Safety Information

Signal word 
Hazard statements 
Precautionary statements 
Hazard Codes (Europe) 
Risk Statements (Europe) 
Safety Statements (Europe) 
UN 1994 3(6.1) / PGI
WGK Germany 
Flash Point(F) 
5 °F
Flash Point(C) 
-15 °C

Protocols & Articles


Activating Reagents and Protecting Groups

The use of activating agents and protecting groups in organic synthesis is necessary to prevent unwanted side reactions from occurring when using other common reagents such as oxidizing or reducing a...
Chemfiles Volume 1 Article 3
Keywords: Organic synthesis

Chemical Synthesis of Monodisperse Magnetic Nanoparticles

Magnetic nanoparticles have attracted tremendous attention due to their novel properties and their potential applications in magnetic recording, magnetic energy storage and biomedicine.1-3 Thanks to ...
Sheng Peng, Shouheng Sun
Material Matters 2009, 4.1, 14.
Keywords: Applications, Chemical vapor deposition, Deposition, Diffusion, Magnetic resonance imaging, Magnetic resonance spectroscopy, Mass spectrometry, Methods, Microscopy, Nucleic acid annealing, Oxidations, Precipitation, Reductions, Scanning electron microscopy, Transmission electron microscopy

High Purity Metalorganic Precursors for CPV Device Fabrication

Thin film photovoltaic devices have become increasingly important in efficiently harnessing solar energy to meet consumer demand. Conventional crystalline silicon solar cells have demonstrated remark...
Simon Rushworth
Material Matters Volume 5 Article 4
Keywords: Absorption, Capabilities, Chemical vapor deposition, Degradations, Deposition, Mass spectrometry, Nuclear magnetic resonance spectroscopy, Protocols, Purification, Semiconductor, Solar cells, Spectroscopy, Tissue microarrays, Tools, Usage, Vaporization

Solvothermal Synthesis of Nanoparticles

Solvothermal synthesis is a method for preparing a variety of materials such as metals, semiconductors, ceramics, and polymers. The process involves the use of a solvent under moderate to high pressu...
Prof. Bonnie Gersten
Chemfiles Volume 5 Article 13
Keywords: Absorption, Applications, Ceramics, Reductions, Semiconductor, Spectra, Type

Peer-Reviewed Papers


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1. Addition reaction of Fe(CO)n (n = 3~5) on fullerene C50, C60, and C70: A density functional theory study Chen, L.-G.; et al. Chin. J. Structural Chem. 30, 1161, (2011)

2. Effect of CO Pressure Gradients on the Photochemistry and Thermal Chemistry of Fe(CO)5 Physisorbed into Porous Vycor Glass Amarasinghe, D. S.; et al. J. Phys. Chem. C Nanomater. Interfaces 115, 20824, (2011)

3. Novel magnetic Fe onion-like fullerene micrometer-sized particles of narrow size distribution Snovski, R.; et al. J. Magn. Magn. Mater. 324, 90, (2011)

4. New catalyst systems for iron-catalyzed hydrosilane reduction of carboxamides Tsutsumi, H.; et al. Chem. Commun. (Camb.) 47, 6581, (2011)


5. Photocatalytic Hydrogen Evolution under Highly Basic Conditions by Using Ru Nanoparticles and 2-Phenyl-4-(1-naphthyl)quinolinium Ion Yamada, Y.; et al. J. Am. Chem. Soc. 133, 16136, (2011)


Core-shell structured carbonyl iron microspheres prepared via dual-step functionality coatings and their magnetorheological response. Fang FF, Liu YD, Choi HJ, et al. ACS Appl. Mater. Interfaces 3(9), 3487-95, (2011)


Picosecond X-ray absorption measurements of the ligand substitution dynamics of Fe(CO)5 in ethanol. Ahr B, Chollet M, Adams B, et al. Phys. Chem. Chem. Phys. 13(13), 5590-9, (2011)


Iron indenyl carbonyl compounds: CO-releasing molecules. Hewison L, Crook SH, Johnson TR, et al. Dalton Trans. 39(38), 8967-75, (2010)


Purification, characterization, and cloning of a bifunctional molybdoenzyme with hydratase and alcohol dehydrogenase activity. Jin J, Straathof AJ, Pinkse MW, et al. Appl. Microbiol. Biotechnol. 89(6), 1831-40, (2011)


Magnetically responsive pickering foams. Lam S, Blanco E, Smoukov SK, et al. J. Am. Chem. Soc. 133(35), 13856-9, (2011)


Biochemistry. Making the H-cluster from scratch. Pickett CJ Science 343(6169), 378-9, (2014)


Immunomagnetic separation using carbonyl iron powder and flow cytometry for rapid detection of Flavobacterium psychrophilum. Hibi K, Ushio H, Fukuda H, et al. Anal. Bioanal. Chem 391(4), 1147-52, (2008)


Fe-H/D stretching and bending modes in nuclear resonant vibrational, Raman and infrared spectroscopies: comparisons of density functional theory and experiment. Pelmenschikov V, Guo Y, Wang H, et al. Faraday Discuss. 148, 409-20; discussion 421-41, (2011)


Peculiarities of the complexation of copper and silver adducts of a 3,5-bis(trifluoromethyl)pyrazolate ligand with organoiron compounds. Tsupreva VN, Titov AA, Filippov OA, et al. Inorg. Chem. 50(8), 3325-31, (2011)


Magnetically tunable elasticity for magnetic hydrogels consisting of carrageenan and carbonyl iron particles. Mitsumata T, Honda A, Kanazawa H, et al. J. Phys. Chem. B 116(40), 12341-8, (2012)


Dysregulated expression of fatty acid oxidation enzymes and iron-regulatory genes in livers of Nrf2-null mice. Tanaka Y, Ikeda T, Yamamoto K, et al. J. Gastroenterol. Hepatol. 27(11), 1711-7, (2012)


Synthesis of ethers from esters via Fe-catalyzed hydrosilylation. Das S, Li Y, Junge K, et al. Chem. Commun. (Camb.) 48(87), 10742-4, (2012)


Carbohydrate functionalization using cationic iron carbonyl complexes. Bergh A, Gradén H, Pera NP, et al. Carbohydr. Res. 343(10-11), 1808-13, (2008)


Synthesis and characterisation of polymeric materials consisting of {Fe2(CO)5}-unit and their relevance to the diiron sub-unit of [FeFe]-hydrogenase. Zhan C, Wang X, Wei Z, et al. Dalton Trans. 39(46), 11255-62, (2010)


Development of carbonyl iron/ethylcellulose core/shell nanoparticles for biomedical applications. Arias JL, López-Viota M, Ruiz MA, et al. Int. J. Pharm. 339(1-2), 237-45, (2007)


Interplay among tetrahedrane, butterfly diradical, and planar rhombus structures in the chemistry of the binuclear iron carbonyl phosphinidene complexes Fe2(CO)6(PX)2. Silaghi-Dumitrescu I, Bitterwolf TE, and King RB J. Am. Chem. Soc. 130(3), 901-6, (2008)


Pro-oxidants or anti-oxidant defenses? Which one to blame in non-alcoholic steatohepatitis pathogenesis? Leclercq IA J. Gastroenterol. Hepatol. 27(11), 1651-3, (2012)


Effects of exogenous antioxidants on dietary iron overload. Asare GA J. Clin. Biochem. Nutr. 44(1), 85-94, (2009)


The reactions of pyridinyl thioesters with triiron dodecacarbonyl: their novel diiron carbonyl complexes and mechanistic investigations. Long L, Xiao Z, Zampella G, et al. Dalton Trans. 41(31), 9482-92, (2012)


Mitochondrial damage, cytotoxicity and apoptosis in iron-potentiated alcoholic liver fibrosis: amelioration by taurine. Lakshmi Devi S and Anuradha CV Amino Acids 38(3), 869-79, (2010)


The HydG enzyme generates an Fe(CO)2(CN) synthon in assembly of the FeFe hydrogenase H-cluster. Kuchenreuther JM, Myers WK, Suess DL, et al. Science 343(6169), 424-7, (2014)


It is still not for the old iron: adjuvant effects of carbonyl iron in experimental autoimmune encephalomyelitis induction. Miljković D, Momčilović M, Stanojević Z, et al. J. Neurochem. 118(2), 205-14, (2011)


Atomic alignment effect in the dissociative energy transfer reaction of metal carbonyls (Fe(CO)5, Ni(CO)4) with oriented Ar (3P2, M(J) = 2). Ohoyama H and Matsuura Y J. Phys. Chem. A 115(40), 10888-93, (2011)


Influence of purified saponin mixture from Astragalus corniculatus Bieb. on phagocytic cells in Graffi-tumor bearing hamsters. Toshkova RA, Krasteva IN, Wesselinova DW, et al. J. Ethnopharmacol. 109(3), 394-9, (2007)


Variegate porphyria induces plasma and neutrophil oxidative stress: effects of dietary supplementation with vitamins E and C. Ferrer MD, Tauler P, Sureda A, et al. Br. J. Nutr. 103(1), 69-76, (2010)


Density functional investigation and bonding analysis of pentacoordinated iron complexes with mixed cyano and carbonyl ligands. Tsalavoutis JT and Sigalas MP J. Comput. Chem. 31(10), 1969-78, (2010)


Lysine induces lipid and protein damage and decreases reduced glutathione concentrations in brain of young rats. Seminotti B, Leipnitz G, Amaral AU, et al. Int. J. Dev. Neurosci. 26(7), 693-8, (2008)


Irreversible inhibition of aldolase by a phosphorylated alpha-dicarbonyl compound. Chabot N, Vinatier V, Gefflaut T, et al. J. Enzyme Inhib. Med. Chem. 23(1), 21-7, (2008)


Merck 14,5099

Fieser 1,519 / Fieser 2,229 / Fieser 3,167 / Fieser 4,268 / Fieser 5,357 / Fieser 6,304 / Fieser 10,221 / Fieser 13,152 / Fieser 17,270

Aldrich MSDS 1, 1107:D / Corp MSDS 1 (1), 2014:C / FT-IR 1 (2), 1298:A / FT-IR 2 (3), 4591:D / IR-Spectra (3), 1566:B / RegBook 1 (2), 3141:I / Sax 6, 1626 / Vapor Phase 3, 1690:C

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