Description

Diphenyl[5-(Diphenylphosphinyl)Pentyl]Phosphine Oxide is a specialized organophosphorus compound featuring a unique bifunctional structure with both phosphine oxide and phosphinate groups. This molecular architecture makes it a valuable ligand precursor and catalyst component in advanced synthetic chemistry. It is primarily sought by pharmaceutical intermediates, fine chemical, and advanced materials research sectors for developing novel catalytic processes and functional molecules.

Application

• Ligand for Transition Metal Catalysis: Used in cross-coupling reactions (e.g., Suzuki, Heck) and hydrogenation processes.
• Pharmaceutical Intermediate Synthesis: Serves as a key building block for active pharmaceutical ingredients (APIs).
• Polymerization Catalyst Component: Employed in the synthesis of specialty polymers and resins.
• Material Science Research: Investigated for use in organic light-emitting diodes (OLEDs) and other electronic materials.
• Fine Chemical Production: Facilitates the synthesis of complex, high-value organic molecules.
• Academic & Industrial R&D: A reagent for developing new methodologies in organometallic and organic chemistry.

Basic Information

Product Name	Diphenyl[5-(Diphenylphosphinyl)Pentyl]Phosphine Oxide
CAS No.	51145-33-6
Molecular Formula	C35H34O2P2
Molecular Weight	548.59 g/mol
Synonyms	5-(Diphenylphosphinyl)-1-(diphenylphosphoryl)pentane; 1,5-Bis(diphenylphosphinyl)pentane; 1,5-Pentanediylbis(diphenylphosphine oxide); Diphenyl[5-(diphenylphosphinyl)pentyl]phosphine oxide; Bis(diphenylphosphinyl)pentane; (5-(Diphenylphosphoryl)pentyl)diphenylphosphine oxide
EINECS	Contact for details

Quality Control

Our Diphenyl[5-(Diphenylphosphinyl)Pentyl]Phosphine Oxide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing including HPLC, NMR, and elemental analysis to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all specifications are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
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.