Description

Diethyl Allylphosphonate is a versatile organophosphorus compound widely used as a key synthetic intermediate. Its primary value lies in its role as a Horner-Wadsworth-Emmons (HWE) reagent, enabling the efficient construction of carbon-carbon double bonds in complex organic molecules. This chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it facilitates the synthesis of active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of various drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Olefination Reactions: Serves as a key reagent in Horner-Wadsworth-Emmons (HWE) reactions for the stereoselective formation of alkenes.
• Ligand and Catalyst Preparation: Employed in the development of phosphonate-based ligands for metal catalysis.
• Flame Retardant Precursor: Acts as an intermediate in the synthesis of phosphorus-containing flame retardant additives.
• Material Science: Used in the creation of functional polymers and advanced organic materials.

Basic Information

Product Name	Diethyl Allylphosphonate
CAS No.	5954-65-4
Molecular Formula	C7H15O3P
Molecular Weight	178.17 g/mol
Synonyms	Allylphosphonic Acid Diethyl Ester; Diethyl Allylphosphonate; Diethyl (2-Propenyl)phosphonate; Allyldiethoxyphosphine Oxide; Phosphonic Acid, P-2-Propenyl-, Diethyl Ester; (Allyloxy)diethylphosphine Oxide; Diethyl Phosphonoallylate
EINECS	227-732-4

Quality Control

Our Diethyl Allylphosphonate is produced under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) documenting all specifications is provided with each shipment to guarantee compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to exclude moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20/D)	1.430 - 1.435
Density (20°C)	1.060 - 1.090 g/mL

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