Triethylphosphine
Triethylphosphine (CAS: 554-70-1) is a volatile, colourless liquid with the molecular formula (C2H5)3P and a molecular weight of 118.16 g/mol. This organophosphorus compound is recognised for its utility as a ligand in catalysis and its role in chemical synthesis. It is supplied by Tech Serve Solutions with a purity of 99% and is a key reagent in various chemical research and industrial applications.
Ligand in Homogeneous Catalysis
Triethylphosphine serves as an effective ligand in homogeneous catalysis, particularly in transition metal-catalyzed reactions. Its electron-donating properties influence the reactivity and selectivity of catalytic cycles, making it valuable in processes such as arylations.
Reagent in Organic Synthesis
As a phosphine compound, triethylphosphine is employed as a reagent in various organic synthetic transformations. Its nucleophilic character allows it to participate in reactions leading to the formation of new carbon-phosphorus bonds or in the modification of organic molecules.
Precursor for Organophosphorus Compounds
Triethylphosphine can act as a building block for the synthesis of more complex organophosphorus compounds. These derivatives may find applications in diverse fields ranging from materials science to pharmaceuticals.
| Molecular weight | 118.16 |
|---|---|
| Linear formula | (C2H5)3P |
| Assay | 99% |
| Boiling point | 127-128 °C(lit.) |
| Density | 0.802 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.456(lit.) |
| Concentration | 1.0 M in THF |
Hazard statements
- H225Highly flammable liquid and vapour
- H250Catches fire spontaneously if exposed to air
- H314Causes severe skin burns and eye damage
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P222Do not allow contact with air
- P231Handle under inert gas
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P422
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | -17 °C / 1.4 °F |
| Transport (UN / ADR) | UN 2845 4.2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,C |
| Risk statements (R) | 11-17-34 |
| Safety statements (S) | 26-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Ligand For | Arylations |
|---|
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 Triethylphosphine used for?
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Triethylphosphine (CAS: 554-70-1) is primarily used as a ligand in homogeneous catalysis, especially for arylations, and as a reagent in organic synthesis for the preparation of other organophosphorus compounds.
What are the CAS number and formula for Triethylphosphine?
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The CAS number for Triethylphosphine is 554-70-1 and its linear formula is (C2H5)3P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Triethylphosphine with a minimum assay of 99%. This product is not represented as USP, BP, EP, or other pharmacopoeia grades.
How should Triethylphosphine be handled?
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Triethylphosphine is highly flammable and pyrophoric, igniting spontaneously in air (H225, H250). It causes severe skin burns and eye damage (H314). Handling requires extreme caution, including working under an inert atmosphere, using appropriate personal protective equipment such as a full-face respirator, gloves, and goggles, and ensuring adequate ventilation.
How is Triethylphosphine packed and exported?
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Triethylphosphine is packed according to stringent safety regulations for hazardous materials, including considerations for its flammability and pyrophoric nature. We export globally, adhering to all relevant international shipping and customs requirements for dangerous goods.
How can I request a quote or sample for Triethylphosphine?
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To request a quote or a sample of Triethylphosphine, please contact our sales department through the website or by phone, providing your contact details and the required quantity.
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