Description

Phenyldiphenylphosphinite (Diphenylphosphinic acid phenyl ester) CAS NO 13360-92-4 is a versatile organophosphorus compound widely used as a key ligand and reagent in advanced chemical synthesis. Its primary value lies in its ability to facilitate challenging coupling reactions and serve as a precursor for other valuable phosphorus-containing molecules. This chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require high-purity intermediates for catalyst development and complex molecule construction.

Application

• Ligand in Transition Metal Catalysis: Used in cross-coupling reactions (e.g., Suzuki, Heck) for pharmaceutical and fine chemical synthesis.
• Phosphorus Reagent: Acts as a precursor for synthesizing other organophosphorus compounds, including phosphines and phosphine oxides.
• Polymer Chemistry: Employed as a monomer or additive in the production of flame-retardant or specialty polymers.
• Agrochemical Intermediate: Utilized in the synthesis of advanced pesticides and herbicides.
• Material Science Research: Serves as a building block for creating novel materials with specific electronic or catalytic properties.
• Laboratory Reagent: Used in academic and industrial R&D for method development and exploratory synthesis.

Basic Information

Product Name	Phenyldiphenylphosphinite (Diphenylphosphinic acid phenyl ester)
CAS No.	13360-92-4
Molecular Formula	C24H19OP
Molecular Weight	354.38 g/mol
Synonyms	Diphenylphosphinic Acid Phenyl Ester; Phenoxy(diphenyl)phosphine; Phenyl Diphenylphosphinite; (Diphenylphosphinyloxy)benzene; Phosphinous acid, P,P-diphenyl-, O-phenyl ester; NSC 163082; EINECS 236-419-8
EINECS	236-419-8

Quality Control

Our Phenyldiphenylphosphinite is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC analysis, to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments to support your quality assurance and regulatory needs.

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 bases and incompatible materials. Handle and store under an inert atmosphere if prolonged storage is required.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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