Description

1,1-Bis(Diphenylphosphino)Ethylene is a specialized organophosphorus ligand with the CAS number 84494-89-3. This compound is valued for its unique electronic and steric properties, making it a crucial component in advanced catalytic systems. It is primarily sought by researchers and manufacturers in the fine chemical and pharmaceutical industries for developing novel synthetic pathways and high-value chemical intermediates.

Application

• Homogeneous Catalysis: As a key ligand in transition metal-catalyzed cross-coupling reactions (e.g., Suzuki, Heck, Sonogashira).
• Pharmaceutical Synthesis: Enabling the construction of complex molecular architectures for active pharmaceutical ingredients (APIs).
• Material Science Research: Used in the development of novel organometallic complexes and polymers with specific electronic properties.
• Asymmetric Synthesis: Potential application in chiral ligand design for enantioselective catalysis.
• Chemical Intermediate: Serving as a building block for synthesizing more complex diphosphine ligands.

Basic Information

Product Name	1,1-Bis(Diphenylphosphino)Ethylene
CAS No.	84494-89-3
Molecular Formula	C26H22P2
Molecular Weight	396.40 g/mol
Synonyms	1,1-Ethylidenebis[diphenylphosphine]; (E)-1,2-Bis(diphenylphosphino)ethylene; Vinylidene-1,1-bis(diphenylphosphine); DPPE (ambiguous, use with caution); DPPEne; 1,1'-Ethenediylidenebis[diphenylphosphine]; 1,1-Bis(diphenylphosphanyl)ethene
EINECS	Contact for details

Quality Control

Our 1,1-Bis(Diphenylphosphino)Ethylene is manufactured under strict quality protocols. Each batch undergoes comprehensive analytical testing, including NMR, HPLC, and elemental analysis, to ensure high purity and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your research and development requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) in a cool, dry, and well-ventilated place. Due to its sensitivity to oxidation and light, prolonged exposure to air should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.