Description

Ethyl Diphenylphosphinite 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 critical coupling and catalytic reactions, enabling the production of complex molecules with high efficiency and selectivity. This makes it an essential material for R&D and production chemists in the pharmaceutical, agrochemical, and specialty chemical industries, where it is instrumental in creating active ingredients and novel materials.

Application

• Pharmaceutical Intermediate Synthesis: Acts as a crucial ligand in cross-coupling reactions (e.g., Negishi, Suzuki-Miyaura) for constructing complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Manufacturing: Employed in the synthesis of advanced pesticides, herbicides, and plant growth regulators that require precise phosphorus-containing frameworks.
• Catalyst and Ligand Preparation: Serves as a precursor for generating specialized metal-phosphinite complexes used in homogeneous catalysis for fine chemical production.
• Material Science Research: Utilized in the development of novel polymers, flame retardants, and ligands for metal-organic frameworks (MOFs).
• Organic Synthesis Reagent: Functions as a phosphorylating agent and a nucleophile in the construction of P-C and P-O bonds for specialty organophosphorus compounds.

Basic Information

Product Name	Ethyl Diphenylphosphinite
CAS No.	719-80-2
Molecular Formula	C14H15OP
Molecular Weight	230.24 g/mol
Synonyms	Ethoxy(diphenyl)phosphine; Diphenylphosphinous Acid Ethyl Ester; Ethyl Diphenylphosphinite; (Ethoxydiphenylphosphine); P-Ethoxy-P,P-diphenylphosphinous amide?; EINECS 211-960-6; NSC 163082
EINECS	211-960-6

Quality Control

Our Ethyl Diphenylphosphinite is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including NMR, GC, and HPLC analysis, to verify identity, potency, and impurity profiles. A detailed Certificate of Analysis (COA) documenting all specifications is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area. Due to its sensitivity to oxidation and moisture, the container should be purged with inert gas after each opening. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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