Cyclopentadienylmanganese(I) tricarbonyl
Cyclopentadienylmanganese(I) tricarbonyl (CAS: 12079-65-1), with the formula C5H5Mn(CO)3 and a molecular weight of 204.06 g/mol, is an organometallic compound. It serves as a valuable precursor in materials science and chemical synthesis. This compound is notably employed in processes requiring the deposition of manganese-containing thin films via chemical vapour deposition (CVD) and atomic layer deposition (ALD).

Chemical Vapour Deposition (CVD) and Atomic Layer Deposition (ALD)
Utilised as a precursor for depositing manganese-containing thin films, crucial in microelectronics and advanced material coatings. Its controlled decomposition allows for precise film growth.
Catalysis
Investigated for its potential catalytic properties in various organic transformations. The manganese centre and carbonyl ligands can participate in catalytic cycles.
Materials Science
A building block for synthesising novel manganese-containing compounds and nanomaterials. It enables the incorporation of manganese into complex material architectures.
Chemical Synthesis
Serves as a reagent in organometallic chemistry for the synthesis of more complex manganese complexes. It is a source of the cyclopentadienylmanganese tricarbonyl moiety.
| Molecular weight | 204.06 |
|---|---|
| Linear formula | C5H5Mn(CO)3 |
| Melting point | 72-76 °C(lit.) |

Hazard statements
- H300Fatal if swallowed
Precautionary statements
- P264Wash thoroughly after handling
- P301IF SWALLOWED
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T+ |
| Risk statements (R) | 28 |
| Safety statements (S) | 28-36/37-45 |
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 Cyclopentadienylmanganese(I) tricarbonyl used for?
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Cyclopentadienylmanganese(I) tricarbonyl is primarily used as a precursor in Chemical Vapour Deposition (CVD) and Atomic Layer Deposition (ALD) for creating manganese-containing thin films, and also finds applications in catalysis and general chemical synthesis.
What is the CAS number and formula for Cyclopentadienylmanganese(I) tricarbonyl?
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The CAS number is 12079-65-1 and the chemical formula is C5H5Mn(CO)3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical typically as a research or technical grade. We do not represent it as USP, BP, or EP grade unless explicitly stated otherwise in the product specifications. Please refer to the Certificate of Analysis for specific purity details.
How is Cyclopentadienylmanganese(I) tricarbonyl handled and shipped?
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This compound is classified as acutely toxic if swallowed (H300) and requires stringent handling procedures. It is shipped as UN 2811, Class 6.1, Packing Group II, under strict regulatory compliance for hazardous materials.
How can I request a sample or quote for Cyclopentadienylmanganese(I) tricarbonyl?
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To request a sample or quote, please visit our website and navigate to the product page, or contact our sales team directly with your inquiry, providing the product name and CAS number.
What are the primary safety hazards associated with this compound?
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Cyclopentadienylmanganese(I) tricarbonyl is acutely toxic if swallowed (H300) and requires the use of appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection (e.g., N100 respirator). Handle with extreme care in a well-ventilated area.
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