(Methylcyclopentadienyl)manganese(I) tricarbonyl
(Methylcyclopentadienyl)manganese(I) tricarbonyl (CAS: 12108-13-3; Formula: C5H4CH3Mn(CO)3) is an organometallic compound with a molecular weight of 218.09 g/mol. It serves as a crucial reactant in various organic synthesis pathways, including aldol addition reactions, and is utilized in materials science for doping semiconductor nanocrystals and preparing thin films. Its applications span catalysis and inorganic chemistry.
- IUPAC
- (Methylcyclopentadienyl)tricarbonylmanganese,Ethyl MMT,MCMT,MMT,NSC 22316,Tricarbonyl(2-methylcyclopentadienyl)manganese
- Synonyms
- Tricarbonyl(2-methylcyclopentadienyl)manganeseEthyl MMTMCMTMMTNSC 22316

Doping of Semiconductor Nanocrystals
This compound is employed for the doping of Zinc Selenide (ZnSe) nanocrystals, contributing to their electronic and optical properties.
Aldol Addition Reactions
It functions as a reactant in aldol addition reactions, a fundamental carbon-carbon bond-forming process in organic synthesis.
Synthesis of Mixed Carbene Complexes
Used in the preparation of homo- and heteronuclear mixed biscarbene complexes featuring conjugated bithiophene units.
Preparation of MnAs Thin Films
Applied in the Metalorganic Vapour Phase Epitaxy (MOVPE) process for growing Manganese Arsenide (MnAs) thin films on Gallium Arsenide (GaAs) substrates.
Molecular Fragmentation Studies
Investigated for its role in molecular fragmentation using shaped femtosecond laser pulses, contributing to fundamental chemical research.
| Molecular weight | 218.09 |
|---|---|
| Linear formula | C5H4CH3Mn(CO)3 |
| Boiling point | 232-233 °C(lit.) |
| Density | 1.38 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.584(lit.) |
| Vapour pressure | 0.05 mmHg (20 °C) |
| Vapour density | >1 (vs air) |
| Melting point | −1 °C(lit.) |
| Application | • Used for doping of ZnSe nanocrystals1Reactant for:• Aldol addition reactions2• Preparation of homo- and heteronuclear mixed biscarbene complexes with conjugated bithiophene units3• Molecular fragmentation using shaped femtosecond laser pulses4• Preparation of MnAs thin films grown on GaAs(001) by metalorganic vapour phase epitaxy (MOVPE)5 |


Hazard statements
- H300Fatal if swallowed
- H311Toxic in contact with skin
- H351Suspected of causing cancer
Precautionary statements
- 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
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 96 °C / 204.8 °F |
| Transport (UN / ADR) | UN 3281 6.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23/24/25-40 |
| Safety statements (S) | 23-26-36/37/39-45 |
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 (Methylcyclopentadienyl)manganese(I) tricarbonyl used for?
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(Methylcyclopentadienyl)manganese(I) tricarbonyl is used as a reactant in organic synthesis, such as aldol addition reactions, and in materials science for doping semiconductor nanocrystals and preparing thin films like MnAs.
What are the CAS number and chemical formula?
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The CAS number is 12108-13-3, and the chemical formula is C5H4CH3Mn(CO)3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound as a research or technical grade chemical. We do not represent it as meeting USP, BP, or EP pharmacopoeia standards.
How should (Methylcyclopentadienyl)manganese(I) tricarbonyl be handled safely?
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This compound is hazardous and toxic. Handle with extreme care in a well-ventilated area or fume hood, wearing appropriate personal protective equipment including eyeshields, face shields, gloves, and a full-face or combination respirator (refer to safety data sheet for specifics). It is acutely toxic if swallowed, inhaled, or in contact with skin, and is suspected of causing cancer.
How is this chemical packed, shipped, and exported?
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This chemical is packed in accordance with international regulations for hazardous materials. Tech Serve Solutions exports globally, ensuring compliance with all transport and customs requirements.
How can I request a quote or sample?
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Please contact our sales team or use the online inquiry form to request a quote or a sample of (Methylcyclopentadienyl)manganese(I) tricarbonyl.
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