Methyldiphenylphosphine
Methyldiphenylphosphine (CAS: 1486-28-8) is a phosphorus-containing organic compound with the linear formula (C6H5)2PCH3 and a molecular weight of 200.22 g/mol. This clear liquid finds utility as a ligand in homogeneous catalysis and as a building block in chemical synthesis. Its specific phosphine structure makes it valuable in coordination chemistry, influencing catalytic activity and selectivity in various organic transformations.
- IUPAC
- Diphenyl-methylphosphine,Diphenylphosphinomethane
- Synonyms
- DiphenylmethylphosphineDiphenylphosphinomethane

Homogeneous Catalysis
Methyldiphenylphosphine serves as a valuable ligand in transition metal catalysis. Its electronic and steric properties can be tuned to influence the reactivity and selectivity of catalytic systems in organic synthesis.
Organophosphorus Synthesis
As a phosphine compound, it is employed as a reagent or intermediate in the synthesis of more complex organophosphorus molecules. These can have diverse applications in materials science and medicinal chemistry.
Coordination Chemistry
The compound readily coordinates to metal centres, forming complexes that are studied for their structural and electronic properties, as well as their potential catalytic applications.
| Molecular weight | 200.22 |
|---|---|
| Linear formula | (C6H5)2PCH3 |
| Assay | 99% |
| Boiling point | 120-122 °C/1.5 mmHg(lit.) |
| Density | 1.076 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.625(lit.) |
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| 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 Methyldiphenylphosphine used for?
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Methyldiphenylphosphine is primarily used as a ligand in homogeneous catalysis and as a building block in chemical synthesis for creating organophosphorus compounds and metal complexes.
What are the CAS number and formula for Methyldiphenylphosphine?
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The CAS number for Methyldiphenylphosphine is 1486-28-8, and its linear formula is (C6H5)2PCH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyldiphenylphosphine with a minimum assay of 99%. This product is not classified as USP, BP, or EP grade and is intended for research and laboratory use.
How should Methyldiphenylphosphine be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection (half-mask respirator). It has a flash point of 113 °C (235.4 °F) and should be used in a well-ventilated area away from ignition sources.
Is Methyldiphenylphosphine a controlled substance?
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The provided data does not indicate that Methyldiphenylphosphine is a controlled substance.
How is Methyldiphenylphosphine typically packaged and exported?
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Tech Serve Solutions, as a global supplier, packages and exports chemicals according to international shipping regulations and customer requirements.
How can I request a quote or sample for Methyldiphenylphosphine?
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To request a quote or sample, please contact our sales team through the website or by phone, referencing the product name and CAS number (1486-28-8).
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