trans-1,2-Bis(diphenylphosphino)ethylene
trans-1,2-Bis(diphenylphosphino)ethylene (CAS 983-81-3) is a polydentate phosphine ligand with a molecular weight of 396.40 g/mol. It is widely employed in homogeneous catalysis and organic synthesis. Its ability to chelate metal centres makes it valuable for reactions such as cross-coupling and hydrogenation, facilitating complex chemical transformations.
- IUPAC
- (E)-Vinylenebis[diphenylphosphine],trans-1,2-Ethenediylbis(diphenylphosphine),NSC 132587
- Synonyms
- (C6H5)2PCH=CHP(C6H5)2(E)-Vinylenebis[diphenylphosphine]trans-1,2-Ethenediylbis(diphenylphosphine)NSC 132587
Catalysis in Organic Synthesis
Serves as a catalyst for the coupling of primary and secondary alkyl halides with aryl Grignard reagents. It is also involved in the homogeneous hydrogenation of carbon dioxide mediated by Ruthenium.
Preparation of Organometallic Complexes
Used as a reactant in the preparation of cyclopalladated derivatives of benzylidene. It is also instrumental in synthesising cyclopalladated complexes containing tridentate thiosemicarbazone ligands.
Asymmetric Catalysis
Facilitates catalytic asymmetric intramolecular hydroamination of alkynylamines, enabling the stereoselective synthesis of complex nitrogen-containing molecules.
| Molecular weight | 396.40 |
|---|---|
| Linear formula | (C6H5)2PCH=CHP(C6H5)2 |
| Assay | 97% |
| Application | Catalyst for:• Coupling of primary and secondary alkyl halides with aryl grignard reagents1• Homogeneous hydrogenation of Carbon Dioxide mediated by Ruthenium2Reactant for:• Preparation of cyclopalladated derivatives of benzylidene3• Preparation of cyclopalladated complexes containing tridentate thiosemicarbazone ligands as antimalarial agents4• Catalytic asymetric intramolecular hydroamination of alkynylamines5 |
| Melting point | 126-130 °C(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3464 6.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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 trans-1,2-Bis(diphenylphosphino)ethylene used for?
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trans-1,2-Bis(diphenylphosphino)ethylene is used as a catalyst for coupling reactions and hydrogenation, and as a reactant in the preparation of various organometallic complexes, including those with potential antimalarial activity.
What are the CAS number and formula for trans-1,2-Bis(diphenylphosphino)ethylene?
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The CAS number is 983-81-3 and the linear formula is (C6H5)2PCH=CHP(C6H5)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies trans-1,2-Bis(diphenylphosphino)ethylene with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the main hazards and recommended PPE for handling trans-1,2-Bis(diphenylphosphino)ethylene?
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This compound is a Warning hazard, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Recommended PPE includes a dust mask type N95 (US), eyeshields, and gloves.
How is trans-1,2-Bis(diphenylphosphino)ethylene packed, shipped, and exported?
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As a specialist global supplier and exporter, TSS ensures appropriate packaging and compliant shipping for international destinations, adhering to all relevant regulations for chemicals like UN 3464, Class 6.1.
How can I request a sample or quote for trans-1,2-Bis(diphenylphosphino)ethylene?
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Please contact our sales team directly via our website or listed phone number to request a sample or obtain a quotation.
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