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481718

Sigma-Aldrich

Iron(0) pentacarbonyl

greener alternative

>99.99% trace metals basis

Synonym(s):

Iron(0) carbonyl, Pentacarbonyliron(0)

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About This Item

Linear Formula:
Fe(CO)5
CAS Number:
Molecular Weight:
195.90
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.23

vapor density

6.74 (vs air)

Quality Level

vapor pressure

35 mmHg ( 25 °C)
40 mmHg ( 30.3 °C)

Assay

>99.99% trace metals basis

form

liquid

autoignition temp.

122 °F

reaction suitability

core: iron
reagent type: catalyst

greener alternative product characteristics

Catalysis
Learn more about the Principles of Green Chemistry.

sustainability

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refractive index

n20/D 1.5196 (lit.)

bp

103 °C (lit.)

mp

−20 °C (lit.)

density

1.49 g/mL at 25 °C (lit.)

greener alternative category

storage temp.

2-8°C

SMILES string

[Fe].[C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+]

InChI

1S/5CO.Fe/c5*1-2;

InChI key

FYOFOKCECDGJBF-UHFFFAOYSA-N

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General description

Iron(0) pentacarbonyl is a straw-yellow to brilliant orange liquid soluble in organic solvents. It is widely used as a precursor for synthesizing iron oxide nanoparticles, which have applications in the field of energy conversion and storage due to their catalytic properties and ability to enhance electron transport.
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Application

Iron(0) pentacarbonyl can be used:
  • To fabricate Fe-based anode materials for high-performance aqueous secondary Ni−Fe batteries. It helps to achieve good safety, high power density, long term-life cycle, and high energy density.
  • As a precursor to synthesize highly stable, colloidal magnetic iron nanoparticles with narrow size distribution. These nanoparticles are potential candidates for MRI contrasting agents and magnetically separable catalysts.
  • To synthesize zero valent sustainable iron nanocatalysts for reduction reactions.

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

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

Pictograms

FlameSkull and crossbones

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 1 Inhalation - Acute Tox. 2 Oral - Acute Tox. 3 Dermal - Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

5.0 °F - closed cup

Flash Point(C)

-15 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Fei Fei Fang et al.
ACS applied materials & interfaces, 3(9), 3487-3495 (2011-08-06)
The dispersion stability of soft magnetic carbonyl iron (CI)-based magnetorheological (MR) fluids was improved by applying a unique functional coating composed of a conducting polyaniline layer and a multiwalled carbon nanotube nest to the surfaces of the CI particles via
Anders Bergh et al.
Carbohydrate research, 343(10-11), 1808-1813 (2008-05-13)
Cationic iron carbonyl cyclohexadiene complexes were employed in the derivatization of the 3-OH position of unprotected and protected methyl beta-D-galactopyranosides using two different approaches, giving access to galactopyranosides with an aromatic or cyclohexadienoic functionality in this position.
Pro-oxidants or anti-oxidant defenses? Which one to blame in non-alcoholic steatohepatitis pathogenesis?
Isabelle A Leclercq
Journal of gastroenterology and hepatology, 27(11), 1651-1653 (2012-10-31)
John T Tsalavoutis et al.
Journal of computational chemistry, 31(10), 1969-1978 (2010-01-21)
The equilibrium structures and vibrational frequencies of the iron complexes [Fe(0)(CN)(n)(CO)(5-n)](n-) and [Fe(II)(CN)(n)(CO)(5-n)](2-n) (n = 0-5) have been calculated at the BP86 level of theory. The Fe(0) complexes adopt trigonal bipyramidal structures with the cyano ligands occupying the axial positions
Jianfeng Jin et al.
Applied microbiology and biotechnology, 89(6), 1831-1840 (2010-12-02)
A bifunctional hydratase/alcohol dehydrogenase was isolated from the cyclohexanol degrading bacterium Alicycliphilus denitrificans DSMZ 14773. The enzyme catalyzes the addition of water to α,β-unsaturated carbonyl compounds and the subsequent alcohol oxidation. The purified enzyme showed three subunits in SDS gel

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