Description

Phosphine, (4-Ethynylphenyl)Diphenyl- is a specialized organophosphorus compound featuring a unique ethynylphenyl substituent. This structural motif makes it a valuable ligand precursor and building block in advanced materials science and catalysis research. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and OLED materials sectors for developing novel chemical entities and functional materials.

Application

• Phosphine Ligand Synthesis: A key precursor for synthesizing novel, sterically and electronically tuned phosphine ligands used in transition metal catalysis.
• Cross-Coupling Catalysis: Employed in the development of catalysts for critical reactions like Suzuki, Heck, and Sonogashira couplings in pharmaceutical intermediate manufacturing.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a building block for electron-transport materials and host materials in OLED displays and lighting.
• Agrochemical Research: Used in the synthesis of novel active ingredients and intermediates for crop protection agents.
• Material Science: Incorporated into polymers and advanced materials to modify properties such as thermal stability and electronic characteristics.
• Academic & Industrial R&D: A valuable reagent for exploring new methodologies in organometallic chemistry and synthetic organic chemistry.

Basic Information

Item	Details
Product Name	Phosphine, (4-Ethynylphenyl)Diphenyl-
CAS No.	359017-78-0
Molecular Formula	C20H15P
Molecular Weight	286.31 g/mol
Synonyms	(4-Ethynylphenyl)diphenylphosphine; Diphenyl(4-ethynylphenyl)phosphine; 4-Ethynylphenyldiphenylphosphine; (4-Ethynylphenyl)-diphenylphosphane; Phosphine, diphenyl(4-ethynylphenyl)-
EINECS	Contact for details

Quality Control

Our production of Phosphine, (4-Ethynylphenyl)Diphenyl- adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including NMR, HPLC, and GC. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated place. This compound is easily oxidized and moisture-sensitive; 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

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