Dichloro[1,3-bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene](benzylidene)bis(3-bromopyridine)ruthenium(II)
Dichloro[1,3-bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene](benzylidene)bis(3-bromopyridine)ruthenium(II), CAS 900169-53-1, with molecular formula C38H40Br2Cl2N4Ru and a molecular weight of 884.54 g/mol, is a highly active ruthenium-based catalyst. It is primarily employed in olefin metathesis reactions, including ring-closing metathesis (RCM) and ring-opening metathesis polymerization (ROMP). Its rapid initiation and effectiveness at low temperatures make it suitable for complex polymer synthesis and other chemical transformations.
- IUPAC
- [1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene]dichloro(phenylmethylene)bis(3-bromopyridine)ruthenium(II),[1,3-Dimesityl-2-imidazolidinylidene]dichloro(phenylmethylene)bis(3-bromopyridine)ruthenium(II)
- Synonyms
- [1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene]dichloro(phenylmethylene)bis(3-bromopyridine)ruthenium(II)[1,3-Dimesityl-2-imidazolidinylidene]dichloro(phenylmethylene)bis(3-bromopyridine)ruthenium(II)
bis(3-bromopyridine)ruthenium(II) (C38H40Br2Cl2N4Ru) — chemical structure, CAS 900169-53-1; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F900169-53-1.png&w=3840&q=75)
Olefin Metathesis
This ruthenium complex is a potent catalyst for various olefin metathesis reactions, including ring-closing metathesis (RCM) and ring-opening metathesis polymerization (ROMP). It enables efficient synthesis of cyclic olefins and polymers.
Polymer Synthesis
The catalyst is effective in the production of polymers with narrow molecular weight distributions (PDIs), particularly through ROMP and ring-opening metathesis copolymerization (ROMP). It can also be used in the controlled metathesis (CM) of acrylonitrile.
Fast Initiator
Featuring labile pyridine ligands, this ruthenium complex acts as a very fast initiator, demonstrating significant activity even at 0 °C, facilitating rapid polymerization processes.
Chemical Transformations
Beyond polymerization, this enabling metathesis catalyst can be utilised in a range of organic synthesis applications requiring precise carbon-carbon double bond formation and rearrangement.
| Molecular weight | 884.54 |
|---|---|
| Empirical formula | C38H40Br2Cl2N4Ru |
| Storage temperature | 2-8°C |
| Application | • Labile pyridine ligands result in a very fast initiator (even at 0 °C). • Effective in CM of acrylonitrile. • Also effective in RCM and the ROMP production of block copolymers and polymers with narrow PDIs.• Enabling metathesis catalyst. |
| Melting point | 140 °C (dec.) |
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 Dichloro[1,3-bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene](benzylidene)bis(3-bromopyridine)ruthenium(II) used for?
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This ruthenium catalyst is primarily used for olefin metathesis reactions, including ring-closing metathesis (RCM) and ring-opening metathesis polymerization (ROMP), as well as for controlled metathesis (CM) of acrylonitrile and the production of block copolymers and polymers with narrow PDIs.
What is the CAS number and molecular formula?
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The CAS number is 900169-53-1 and the molecular formula is C38H40Br2Cl2N4Ru.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound for research and development purposes. The specific assay and purity are detailed in the product's Certificate of Analysis. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling considerations?
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This compound is classified under WGK Germany 3 and has a melting point of 140 °C (dec.). Please refer to the Safety Data Sheet (SDS) for comprehensive hazard information, handling precautions, and appropriate personal protective equipment (PPE).
How is this chemical packed, shipped, and exported?
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This chemical is typically packed according to standard laboratory reagent guidelines and is available for export globally by Tech Serve Solutions, adhering to all relevant international shipping regulations.
How can I request a sample or a quote?
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To request a sample or a quotation, please contact our sales department directly through the website or by email, providing the product name and CAS number (900169-53-1).
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