Description

Diphenylphosphinic Acid Benzyl Ester is an organophosphorus compound that serves as a versatile intermediate in advanced chemical synthesis. Its value lies in its utility as a key building block for creating complex molecules with specific functional properties. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty materials sectors who require high-purity intermediates for ligand synthesis and catalyst development.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Ligand Precursor: Serves as a starting material for the preparation of specialized phosphine ligands used in homogeneous catalysis.
• Agrochemical Synthesis: Employed in the production of advanced pesticides and herbicides.
• Polymer Modification: Acts as a functional monomer or additive to impart specific properties to polymers and resins.
• Flame Retardant Synthon: Used in the development of organophosphorus flame retardants for materials science.
• Research & Development: A valuable reagent for academic and industrial R&D in organometallic and organic chemistry.

Basic Information

Item	Details
Product Name	Diphenylphosphinic Acid Benzyl Ester
CAS No.	5573-42-2
Molecular Formula	C19H17O2P
Molecular Weight	308.31 g/mol
Synonyms	Benzyl Diphenylphosphinate; Diphenylphosphinic Acid Benzyl Ester; Benzyl Diphenylphosphinite; (Benzyloxy)diphenylphosphine Oxide; P,P-Diphenyl-P-(phenylmethoxy)phosphine Oxide; NSC 163082; EINECS 226-966-8
EINECS	226-966-8

Quality Control

Our Diphenylphosphinic Acid Benzyl Ester is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided and available upon request to support your quality assurance protocols.

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 heat sources and incompatible materials.

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%
Residue on Ignition	≤ 0.1%

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