Diphenyl(trimethylsilyl)phosphine
Diphenyl(trimethylsilyl)phosphine (CAS: 17154-34-6) is a phosphorus-containing organosilicon compound with the linear formula (C6H5)2PSi(CH3)3 and a molecular weight of 258.37 g/mol. This technical grade chemical is primarily utilised as a precursor in chemical synthesis and in catalysis and inorganic chemistry. It serves as a valuable building block for introducing the diphenylphosphino group.
- IUPAC
- (Diphenylphosphino)trimethylsilane,(Trimethylsilyl)diphenylphosphine
- Synonyms
- (Diphenylphosphino)trimethylsilane(Trimethylsilyl)diphenylphosphine
Phosphorus Precursor in Synthesis
Diphenyl(trimethylsilyl)phosphine acts as a source of the diphenylphosphino moiety in organic and inorganic synthesis. The trimethylsilyl group can be selectively removed, facilitating reactions to form new phosphorus-carbon bonds.
Ligand Synthesis for Catalysis
It is employed in the preparation of phosphine ligands used in homogeneous catalysis. These ligands can fine-tune the electronic and steric properties of metal catalysts for various transformations.
Reagent in Organometallic Chemistry
This compound serves as a versatile reagent for the synthesis of organometallic complexes and coordination compounds, particularly those involving transition metals.
| Molecular weight | 258.37 |
|---|---|
| Linear formula | (C6H5)2PSi(CH3)3 |
| Grade | technical grade |
| Boiling point | 119-120 °C/0.2 mmHg(lit.) |
| Density | 1.009 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.603(lit.) |
Hazard statements
- H225Highly flammable liquid and vapour
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 10 °C / 50 °F |
| Transport (UN / ADR) | UN 1993BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11 |
| Safety statements (S) | 16 |
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 Diphenyl(trimethylsilyl)phosphine used for?
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Diphenyl(trimethylsilyl)phosphine is primarily used as a phosphorus precursor in chemical synthesis and in catalysis and inorganic chemistry. It is valuable for preparing phosphine ligands and organometallic compounds.
What is the CAS number and formula for Diphenyl(trimethylsilyl)phosphine?
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The CAS number for Diphenyl(trimethylsilyl)phosphine is 17154-34-6. Its linear formula is (C6H5)2PSi(CH3)3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Diphenyl(trimethylsilyl)phosphine in technical grade. We do not represent it as USP, BP, EP, or other pharmacopoeia grades.
How should Diphenyl(trimethylsilyl)phosphine be handled safely?
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Diphenyl(trimethylsilyl)phosphine is a highly flammable liquid and vapour (H225). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area, away from ignition sources. Refer to the Safety Data Sheet for comprehensive handling guidelines.
Is Diphenyl(trimethylsilyl)phosphine a controlled substance?
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The provided data does not indicate that Diphenyl(trimethylsilyl)phosphine is a controlled substance.
How is Diphenyl(trimethylsilyl)phosphine shipped and exported?
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Diphenyl(trimethylsilyl)phosphine is shipped as a hazardous material (UN 1993 BF 3 / PGII). Tech Serve Solutions is experienced in exporting chemicals globally, adhering to all relevant transportation and customs regulations.
How can I request a sample or quote for Diphenyl(trimethylsilyl)phosphine?
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To request a sample or a quote for Diphenyl(trimethylsilyl)phosphine, please contact our sales department through the TSS website or by phone.
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