Description

Bis(4-Methoxyphenyl)Phosphine Oxide is a high-purity organophosphorus compound characterized by its distinct molecular structure featuring methoxy-substituted aromatic rings. This compound serves as a versatile intermediate and ligand in advanced chemical synthesis, valued for its stability and specific reactivity profile. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty materials sectors for developing novel active ingredients and functional polymers.

Application

• As a key ligand or precursor in transition metal-catalyzed cross-coupling reactions (e.g., Suzuki, Heck reactions) for pharmaceutical R&D.
• Intermediate in the synthesis of photoinitiators and other functional additives for advanced polymer and coating formulations.
• Building block for creating novel flame retardants and stabilizers in engineering plastics and electronic materials.
• Research chemical in the development of agrochemicals, such as herbicides and plant growth regulators.
• Potential use in the synthesis of OLED (Organic Light-Emitting Diode) materials and other electronic chemicals.
• Starting material for coordination chemistry studies and the preparation of specialized metal complexes.

Basic Information

Product Name	Bis(4-Methoxyphenyl)Phosphine Oxide
CAS No.	15754-51-5
Molecular Formula	C14H15O3P
Molecular Weight	262.24 g/mol
Synonyms	Bis(p-methoxyphenyl)phosphine oxide; (4-Methoxyphenyl)phosphinic acid, 4-methoxyphenyl ester; Phosphine oxide, bis(4-methoxyphenyl)-; Di(4-methoxyphenyl)phosphine oxide; p-Methoxyphenylphosphinic acid p-methoxyphenyl ester; 4,4'-Dimethoxydiphenylphosphine oxide
EINECS	Contact for details

Quality Control

Our Bis(4-Methoxyphenyl)Phosphine Oxide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and industrial applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
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.