Description

Diphenylphosphinic Acid Phenyl Ester is an organophosphorus compound that serves as a versatile intermediate and functional additive. Its unique structure, featuring both phosphinic acid ester and aromatic groups, makes it valuable for modifying material properties and facilitating specific chemical syntheses. This product is essential for manufacturers and R&D teams in the polymer, specialty chemical, and pharmaceutical sectors seeking advanced performance additives or synthetic building blocks.

Application

• Flame Retardant Synergist: Used as an additive or co-monomer in engineering plastics and epoxy resins to enhance flame retardancy.
• Polymer Modification: Acts as a plasticizer, stabilizer, or cross-linking agent to improve the thermal and mechanical properties of polymers.
• Chemical Intermediate: Serves as a key precursor in the synthesis of more complex organophosphorus ligands, catalysts, and pharmaceuticals.
• Ligand for Catalysis: Can be utilized in the preparation of metal complexes for homogeneous catalysis applications.
• Additive for Specialty Materials: Incorporated into advanced materials, such as liquid crystals or OLED components, to fine-tune electronic and optical characteristics.
• Research & Development: Employed in academic and industrial labs for developing new materials and exploring novel chemical reactions.

Basic Information

Product Name	Diphenylphosphinic Acid Phenyl Ester
CAS No.	1706-96-3
Molecular Formula	C18H15O2P
Molecular Weight	294.29 g/mol
Synonyms	Phenyl Diphenylphosphinate; Diphenylphosphinic Acid Phenyl Ester; Phenyl Diphenylphosphinite; Phenyl Ester of Diphenylphosphinic Acid; (Diphenylphosphoryloxy)benzene; Benzene, (diphenylphosphinyl)oxy-; EINECS 216-961-7
EINECS	216-961-7

Quality Control

Our Diphenylphosphinic Acid Phenyl Ester is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay and impurity profiling, to ensure it meets the high standards required for industrial and research applications. A Certificate of Analysis (COA) detailing purity, identity, and specific test results is provided with every shipment to guarantee traceability and consistency.

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 and moisture to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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