Description

Diethylphosphine Oxide is a versatile organophosphorus compound with a phosphoryl (P=O) functional group, serving as a key intermediate in advanced chemical synthesis. Its primary value lies in its role as a precursor for ligands and catalysts, enabling critical transformations in the production of specialty chemicals and materials. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries who require high-purity building blocks for complex molecular architectures.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Catalyst & Ligand Precursor: Serves as a starting material for creating specialized phosphine-based ligands used in homogeneous catalysis (e.g., cross-coupling reactions).
• Agrochemical Synthesis: Employed as a key building block in the development of modern pesticides and herbicides.
• Flame Retardant Additive: Incorporated into polymer formulations to enhance flame-retardant properties.
• Material Science Research: Utilized in the development of advanced materials, including metal-organic frameworks (MOFs) and functional coatings.
• Organic Synthesis Reagent: Acts as a reagent in various organic transformations, including phosphorylation and oxidation reactions.

Basic Information

Product Name	Diethylphosphine Oxide
CAS No.	7215-33-0
Molecular Formula	C4H11OP
Molecular Weight	106.10 g/mol
Synonyms	Diethylphosphine oxide; Diethylphosphinous acid; Ethylphosphine oxide, diethyl-; (Diethylphosphine) oxide; Phosphine oxide, diethyl-; Diethylphosphane oxide; DEHPO; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our Diethylphosphine Oxide is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatography and spectroscopy, to verify identity and assay. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory compliance 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 oxidizing agents and strong bases. Due to its potential sensitivity, it is recommended to handle and store under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
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.