Iron(0) pentacarbonyl
Iron(0) pentacarbonyl (CAS: 13463-40-6), formula Fe(CO)5, is a volatile, highly reactive organometallic compound with a molar mass of 195.90 g/mol. It serves as a key reactant in various chemical syntheses, including addition reactions and the preparation of iron nanoparticles. Its distinct properties also lend themselves to applications in catalysis and the creation of complex iron carbonyl clusters.
- IUPAC
- Iron(0) carbonyl,Pentacarbonyliron(0)
- Synonyms
- Iron(0) carbonylPentacarbonyliron(0)

Catalysis and Inorganic Chemistry
Serves as a precursor for the preparation of Fe nanoparticles, utilised in photocatalytic hydrogen evolution under highly basic conditions. It is also used in the preparation of specific iron carbonyl clusters for catalytic applications.
Chemical Synthesis
Functions as a reactant in various synthetic transformations, including addition reactions. Its decomposition via photolysis or thermal decomposition is also exploited in synthesis.
Nanoparticle Preparation
Used in the preparation of magnetic Fe onion-like fullerene micrometer-sized particles with controlled size distribution via thermal decomposition.
| Molecular weight | 195.90 |
|---|---|
| Linear formula | Fe(CO)5 |
| Assay | >99.99% trace metals basis |
| Boiling point | 103 °C(lit.) |
| Density | 1.49 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5196(lit.) |
| Vapour pressure | 35 mmHg (25 °C)40 mmHg (30.3 °C) |
| Melting point | −20 °C(lit.) |
| Vapour density | 6.74 (vs air) |
| Autoignition temp | 122 °F |
| Storage temperature | 2-8°C |
| Application | 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 |


Hazard statements
- H225Highly flammable liquid and vapour
- H300Fatal if swallowed
- H311Toxic in contact with skin
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P264Wash thoroughly after handling
- P280Wear protective gloves, clothing and eye/face protection
- P284Wear respiratory protection
- P301IF SWALLOWED
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | -15 °C / 5 °F |
| Transport (UN / ADR) | UN 1994 3(6.1) / PGI |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | F,T+ |
| Risk statements (R) | 11-24-26/28 |
| Safety statements (S) | 16-26-28-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Iron(0) pentacarbonyl used for?
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Iron(0) pentacarbonyl is primarily used as a reactant in chemical synthesis, for addition reactions, decomposition via photolysis, and in the preparation of iron nanoparticles and iron carbonyl clusters for catalytic purposes.
What is the CAS number and formula for Iron(0) pentacarbonyl?
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The CAS number for Iron(0) pentacarbonyl is 13463-40-6, and its chemical formula is Fe(CO)5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Iron(0) pentacarbonyl with an assay of >99.99% trace metals basis. We do not represent this product as USP, BP, or EP grade.
How should Iron(0) pentacarbonyl be handled safely?
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Iron(0) pentacarbonyl is highly flammable and toxic. Handle with extreme care in a well-ventilated area or fume hood, wearing appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator (type ABEK recommended). Avoid ignition sources.
How is Iron(0) pentacarbonyl packed, shipped, and exported?
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Iron(0) pentacarbonyl is packed and shipped in compliance with stringent international regulations for hazardous materials, ensuring safe export globally by TSS.
How can I request a quote or sample of Iron(0) pentacarbonyl?
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To request a quote or a sample of Iron(0) pentacarbonyl, please contact our sales team through the website or by phone.
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