Description

Diethyl Propylene Phosphonate is a versatile organophosphorus compound with significant utility as a key synthetic intermediate. Its primary value lies in its role as a phosphorylating agent and a crucial building block for constructing complex molecules with phosphorus-carbon bonds. This chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop active ingredients, ligands, and flame retardants.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly those containing phosphonate or phosphate ester functionalities.
• Agrochemical Synthesis: Used in the production of advanced herbicides, insecticides, and plant growth regulators that require specific phosphorus-based active moieties.
• Ligand and Catalyst Preparation: Serves as a starting material for creating specialized phosphine ligands used in homogeneous catalysis, such as cross-coupling reactions.
• Flame Retardant Formulations: Acts as a reactive intermediate in the manufacture of phosphorus-containing flame retardant additives for polymers and textiles.
• Material Science Research: Employed in the development of novel materials, including metal-organic frameworks (MOFs) and functionalized surfaces.
• Organic Synthesis Building Block: Utilized in Horner-Wadsworth-Emmons (HWE) olefination reactions and other methodologies to introduce alkene groups.

Basic Information

Product Name	Diethyl Propylene Phosphonate
CAS No.	20170-34-7
Molecular Formula	C7H17O3P
Molecular Weight	180.18 g/mol
Synonyms	Diethyl (2-propenyl)phosphonate; 2-Propenylphosphonic Acid Diethyl Ester; Allylphosphonic Acid Diethyl Ester; Diethyl Allylphosphonate; Diethyl 2-Propenylphosphonate; Phosphonic Acid, P-2-Propenyl-, Diethyl Ester; NSC 163045
EINECS	243-593-9

Quality Control

Our Diethyl Propylene Phosphonate is manufactured under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including GC/HPLC for purity, identity confirmation by IR and NMR, and moisture content analysis, to ensure it meets precise customer specifications. A detailed Certificate of Analysis (COA) is provided with each shipment, guaranteeing traceability and compliance with relevant industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (20°C)	~1.08 g/cm³
Refractive Index (n20/D)	~1.435

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