1,3-Bis(diphenylphosphino)propane monooxide
1,3-Bis(diphenylphosphino)propane monooxide (CAS 85685-99-0) is a specialised organophosphorus compound with the linear formula (C6H5)2POCH2CH2CH2P(C6H5)2 and a molecular weight of 428.44 g/mol. As a derivative of bisphosphine ligands, it finds application in catalysis and chemical synthesis. This compound is supplied by Tech Serve Solutions at a minimum assay of 97%.
- IUPAC
- [3-(Diphenylphosphino)propyl]diphenylphosphine oxide
- Synonyms
- [3-(Diphenylphosphino)propyl]diphenylphosphine oxide

Catalysis
Utilised as a ligand in homogeneous catalysis, particularly in metal-catalyzed reactions where its phosphine oxide and phosphine functionalities can coordinate with metal centres. This coordination influences catalytic activity and selectivity.
Chemical Synthesis
Serves as a building block or reagent in organic synthesis. Its unique structure allows for specific chemical transformations and the construction of complex molecules.
Coordination Chemistry
Employed in the study and development of coordination complexes due to its potential as a bidentate ligand, offering insights into metal-ligand interactions.
| Molecular weight | 428.44 |
|---|---|
| Linear formula | (C6H5)2POCH2CH2CH2P(C6H5)2 |
| Assay | 97% |
| Melting point | 106-108 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 1,3-Bis(diphenylphosphino)propane monooxide used for?
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1,3-Bis(diphenylphosphino)propane monooxide is primarily used in catalysis, chemical synthesis, and coordination chemistry. It functions as a ligand in metal-catalyzed reactions and as a building block in organic synthesis.
What are the CAS number and chemical formula for 1,3-Bis(diphenylphosphino)propane monooxide?
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The CAS number for 1,3-Bis(diphenylphosphino)propane monooxide is 85685-99-0. Its linear chemical formula is (C6H5)2POCH2CH2CH2P(C6H5)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,3-Bis(diphenylphosphino)propane monooxide with a minimum assay of 97%. TSS does not represent this product as USP, BP, or EP grade.
How should 1,3-Bis(diphenylphosphino)propane monooxide be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Consult the Safety Data Sheet for detailed handling and hazard information.
How is 1,3-Bis(diphenylphosphino)propane monooxide packed and shipped?
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This product is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions.
How can I request a quote or sample for 1,3-Bis(diphenylphosphino)propane monooxide?
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To request a quote or sample, please contact our sales team through the website or designated contact channels.
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