Description

Diethyl(Phenyloxomethyl)Phosphonate is a versatile organophosphorus compound that serves as a critical building block in advanced organic synthesis. Its primary value lies in its role as a key reagent for the Horner-Wadsworth-Emmons (HWE) olefination reaction, enabling the efficient synthesis of α,β-unsaturated carbonyl compounds. This makes it an essential material for research chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to construct complex molecular architectures.

Application

• Pharmaceutical Intermediate Synthesis: A key reagent for constructing α,β-unsaturated esters, ketones, and amides via the Horner-Wadsworth-Emmons reaction, crucial for active pharmaceutical ingredient (API) development.
• Agrochemical Production: Used in the synthesis of complex molecules for crop protection agents, including fungicides and herbicides.
• Fine Chemical & Specialty Material Manufacturing: Employed in the production of flavors, fragrances, and advanced polymers requiring specific olefin linkages.
• Academic & Industrial R&D: A staple reagent in research laboratories for method development and the synthesis of novel organic compounds for material science.
• Ligand & Catalyst Precursor: Serves as a starting material for synthesizing specialized phosphonate-based ligands used in catalytic systems.

Basic Information

Product Name	Diethyl(Phenyloxomethyl)Phosphonate
CAS No.	3277-27-8
Molecular Formula	C11H15O4P
Molecular Weight	242.21 g/mol
Synonyms	Diethyl (Benzoyl)phosphonate; Diethyl Benzoylphosphonate; Benzoyldiethylphosphonate; (Benzoyl)phosphonic Acid Diethyl Ester; Diethyl Benzoyl Phosphonate; Diethyl Phenylglyoxylphosphonate; EINECS 221-915-7; Diethyl (oxo(phenyl)methyl)phosphonate
EINECS	221-915-7

Quality Control

Our Diethyl(Phenyloxomethyl)Phosphonate is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for synthetic applications. A Certificate of Analysis (COA) detailing specific results for purity, appearance, and other critical parameters is provided with every shipment.

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 such as strong oxidizing agents. The container should be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index	1.510 - 1.520
Density	1.15 - 1.20 g/cm³

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