2-(Di-p-tolylphosphino)benzaldehyde
2-(Di-p-tolylphosphino)benzaldehyde (CAS: 1202865-03-9), with the molecular formula C21H19OP and a molecular weight of 318.35, is a specialised organic compound. This phosphine-based aldehyde serves as a valuable building block in organic synthesis, particularly in catalysis and complex molecule construction. Its unique structure makes it a useful intermediate for creating advanced materials and pharmaceutical precursors. Available from Tech Serve Solutions with an assay of 97%.
- IUPAC
- 2-[Bis(4-methylphenyl)phosphino]benzaldehyde

Catalyst Ligand Synthesis
This phosphine-aldehyde is a precursor for synthesizing advanced phosphine ligands used in homogeneous catalysis. These ligands can fine-tune the activity and selectivity of metal catalysts in various organic transformations.
Organic Synthesis Building Block
The compound functions as a versatile building block for constructing complex organic molecules. Its aldehyde and phosphine functionalities allow for diverse derivatization pathways in multi-step syntheses.
Pharmaceutical Intermediate Development
It can be employed in the development pathways for novel pharmaceutical intermediates, where the specific structural features are advantageous for constructing targeted drug candidates.
Materials Science Research
The unique combination of aromatic, phosphine, and aldehyde groups makes it a potential component in the development of new functional materials or advanced organic compounds.
| Molecular weight | 318.35 |
|---|---|
| Empirical formula | C21H19OP |
| Assay | 97% |
| Melting point | 105-111 °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 2-(Di-p-tolylphosphino)benzaldehyde used for?
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2-(Di-p-tolylphosphino)benzaldehyde (CAS: 1202865-03-9) is primarily used as a building block in organic synthesis, particularly in the development of ligands for catalysis, as a precursor for pharmaceutical intermediates, and in materials science research.
What are the CAS number and formula for 2-(Di-p-tolylphosphino)benzaldehyde?
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The CAS number is 1202865-03-9, and the molecular formula is C21H19OP.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-(Di-p-tolylphosphino)benzaldehyde with a minimum assay of 97%. This is a research-grade chemical and is not intended for USP, BP, EP, or pharmaceutical use.
How should 2-(Di-p-tolylphosphino)benzaldehyde be handled safely?
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According to the safety data, this compound has a GHS classification indicating it can cause skin irritation, serious eye irritation, and may cause respiratory irritation (WGK Germany 3). Handle with appropriate personal protective equipment in a well-ventilated area.
How is this chemical packed and shipped?
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Tech Serve Solutions exports fine chemicals globally. Products are carefully packed in compliance with international shipping regulations for hazardous materials to ensure safe transit.
How can I request a quote or sample for 2-(Di-p-tolylphosphino)benzaldehyde?
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To request a quote or a sample, please use the 'Request a Quote' or 'Request Sample' button on the product page, or contact our sales team directly.
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