Manganese(III) acetylacetonate
Manganese(III) acetylacetonate (CAS: 14284-89-0, Formula: Mn(C5H7O2)3, Molar Mass: 352.26 g/mol) is a coordination complex utilised as an oxidant. It is primarily employed in organic synthesis for the oxidation of phenols, beta-dicarbonyl compounds, and thiols. This compound is a valuable reagent in chemical synthesis, finding applications within inorganic chemistry and catalysis.
- IUPAC
- 2,4-Pentanedione manganese(III) derivative,Manganic acetylacetonate,Mn(acac)3
- Synonyms
- 2,4-Pentanedione manganese(III) derivativeManganic acetylacetonateMn(acac)3

Oxidising Agent in Organic Synthesis
Manganese(III) acetylacetonate serves as an effective oxidant for various organic functional groups. It is particularly useful for the oxidation of phenols, beta-dicarbonyl compounds, and thiols, facilitating key transformations in synthetic pathways.
Catalysis
As a manganese-based coordination complex, it finds utility in catalytic applications. Its structure and oxidation state make it suitable for mediating specific chemical reactions within inorganic and organic chemistry contexts.
Chemical Synthesis Reagent
This compound is a versatile reagent employed in chemical synthesis. It contributes to the construction of complex molecules and the functionalisation of organic substrates.
| Molecular weight | 352.26 |
|---|---|
| Linear formula | Mn(C5H7O2)3 |
| Application | Oxidant used to oxidize phenols, β-dicarbonyl compounds, and thiols. |
| Melting point | 159-161 °C (dec.)(lit.) |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26 |
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 Manganese(III) acetylacetonate used for?
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Manganese(III) acetylacetonate is used as an oxidant in organic synthesis to oxidise phenols, beta-dicarbonyl compounds, and thiols. It also finds applications in catalysis and general chemical synthesis.
What is the CAS number and chemical formula for Manganese(III) acetylacetonate?
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The CAS number is 14284-89-0 and the chemical formula is Mn(C5H7O2)3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Manganese(III) acetylacetonate as a technical or research grade chemical. We do not represent it as meeting USP, BP, or EP pharmacopoeial standards.
What are the safety and handling considerations for Manganese(III) acetylacetonate?
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Manganese(III) acetylacetonate is a Warning substance that can cause harm if swallowed (H302), causes skin irritation (H315), causes serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, in a well-ventilated area.
How is Manganese(III) acetylacetonate packed, shipped, and exported?
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Manganese(III) acetylacetonate is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for Manganese(III) acetylacetonate?
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To request a sample or quote for Manganese(III) acetylacetonate, please contact the Tech Serve Solutions sales team via our website or by phone.
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