Description

Phenylethynyldiphenylphosphine is a specialized organophosphorus compound featuring a phosphine core substituted with phenyl and phenylethynyl groups. This unique structure makes it a valuable ligand and building block in advanced synthetic chemistry, particularly for catalyzing and facilitating complex coupling reactions. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and materials science sectors for developing novel active ingredients and functional materials.

Application

• Catalyst Ligand in Cross-Coupling Reactions: Serves as a key ligand in palladium- or nickel-catalyzed reactions (e.g., Sonogashira, Suzuki-Miyaura) for carbon-carbon bond formation.
• Pharmaceutical Intermediate Synthesis: Used in the research and development of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Product Development: Employed in the synthesis of novel herbicides, fungicides, and insecticides.
• Materials Science Research: Acts as a precursor or monomer in the development of organic electronic materials, such as OLEDs and conductive polymers.
• Organic Synthesis Building Block: Utilized in academic and industrial R&D for constructing complex molecular architectures.
• Coordination Chemistry: Functions as a ligand for transition metals to create novel coordination complexes with specific catalytic or photophysical properties.

Basic Information

Product Name	Phenylethynyldiphenylphosphine
CAS No.	7608-17-5
Molecular Formula	C22H17P
Molecular Weight	312.34 g/mol
Synonyms	(Phenylethynyl)diphenylphosphine; Diphenyl(phenylethynyl)phosphine; Ethynyldiphenylphosphine Benzene; Phosphine, diphenyl(phenylethynyl)-; (Ethynylphenyl)diphenylphosphine
EINECS	Contact for details

Quality Control

Our Phenylethynyldiphenylphosphine is produced and handled under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C for long-term stability. This compound is easily oxidized and moisture-sensitive.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details

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