Di(1-adamantyl)-(2-triisopropylsiloxyphenyl)phosphine
Di(1-adamantyl)-(2-triisopropylsiloxyphenyl)phosphine (CAS: 1384966-55-5) is a sophisticated organophosphorus compound with a molecular weight of 550.87 g/mol. This high-purity phosphine ligand, often referred to by its abbreviation OTIPS-DalPhos, is primarily utilised in advanced chemical synthesis. Its unique structure makes it a valuable component in catalysis, particularly in cross-coupling reactions and other organometallic transformations, facilitating complex molecular construction.
- IUPAC
- OTIPS-DalPhos
- Synonyms
- OTIPS-DalPhos

Catalysis in Organic Synthesis
This phosphine ligand is employed as a catalyst component in various organic transformations. Its steric and electronic properties can influence reaction selectivity and efficiency, making it useful in the synthesis of complex organic molecules.
Ligand for Transition Metal Catalysis
It serves as a specialised ligand for transition metal complexes. These complexes are often critical in facilitating catalytic cycles for reactions such as C-C and C-heteroatom bond formation.
Research and Development
Di(1-adamantyl)-(2-triisopropylsiloxyphenyl)phosphine is used in academic and industrial research settings to explore new synthetic methodologies and develop novel catalytic systems.
| Molecular weight | 550.87 |
|---|---|
| Empirical formula | C35H55OPSi |
| Assay | 97% |
| Melting point | 218-223 °C |
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 Di(1-adamantyl)-(2-triisopropylsiloxyphenyl)phosphine used for?
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This compound is primarily used as a specialised ligand in catalysis, particularly for transition metal-mediated organic synthesis reactions such as cross-coupling.
What are the CAS number and molecular formula for this product?
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The CAS number is 1384966-55-5, and its empirical formula (Hill notation) is C35H55OPSi.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 97%. 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 2 in Germany, indicating it is hazardous to water. Appropriate handling procedures should be followed to prevent environmental release and ensure personal safety. Refer to the Safety Data Sheet (SDS) for detailed information.
How is this chemical packed, shipped, and exported?
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As a specialist global supplier, Tech Serve Solutions packages and exports fine chemicals in compliance with all relevant international shipping and safety regulations.
How can I request a sample or quote?
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Please contact our sales team directly through the website or by phone to request a sample or a formal quotation for this product.
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