Description

Dimethyl Ethylphosphonate is a versatile organophosphorus compound with significant utility as a key chemical intermediate. Its value lies in its role as a crucial building block for synthesizing more complex phosphorus-containing molecules, including flame retardants, pesticides, and pharmaceuticals. This product is essential for manufacturers and R&D facilities in the agrochemical, specialty chemical, and pharmaceutical industries seeking reliable, high-purity intermediates for their synthesis processes.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of organophosphate insecticides and herbicides.
• Flame Retardant Synthesis: Used in the production of phosphorus-based flame retardants for polymers and textiles.
• Pharmaceutical Building Block: Serves as an intermediate in the creation of bioactive molecules and prodrugs.
• Ligand and Catalyst Preparation: Employed in the synthesis of phosphonate ligands for metal catalysis and coordination chemistry.
• Organic Synthesis Reagent: Acts as a reagent in Horner-Wadsworth-Emmons (HWE) olefination reactions to form alkenes.
• Specialty Chemical Production: Used in the manufacture of surfactants, corrosion inhibitors, and extractants.

Basic Information

Product Name	Dimethyl Ethylphosphonate
CAS No.	6163-75-3
Molecular Formula	C4H11O3P
Molecular Weight	138.10 g/mol
Synonyms	Ethylphosphonic Acid Dimethyl Ester; Dimethoxy(ethyl)phosphine Oxide; Ethylphosphonic Acid Dimethyl Ester; Ethylphosphonate Dimethyl Ester; Diethyl Methylphosphonate (common misnomer, clarify); O,O-Dimethyl Ethylphosphonate; Ethyl Dimethyl Phosphonate; NSC 88566; EINECS 228-210-1
EINECS	228-210-1

Quality Control

Our Dimethyl Ethylphosphonate is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing, including GC and NMR analysis, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee it meets your specific application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F).

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Density (20°C)	1.090 - 1.110 g/mL
Refractive Index (n20D)	1.415 - 1.425

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