Description

Diethyl Ethylphosphonate is a versatile organophosphorus compound that serves as a critical intermediate in advanced chemical synthesis. Its value lies in its ability to act as a key building block for the production of flame retardants, pharmaceuticals, and agrochemicals. This product is essential for research and development laboratories, fine chemical manufacturers, and industrial producers in the specialty chemicals sector seeking reliable, high-purity intermediates.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various active pharmaceutical ingredients (APIs) and biologically active molecules.
• Flame Retardant Synthesis: Used in the manufacturing of phosphorus-based flame retardants for polymers, textiles, and electronics.
• Agrochemical Production: Serves as a building block for certain pesticides, herbicides, and plant growth regulators.
• Ligand and Catalyst Preparation: Employed in the preparation of organophosphorus ligands for metal catalysis and coordination chemistry.
• Chemical Research: A valuable reagent in organic synthesis laboratories for constructing complex phosphorus-containing structures.
• Specialty Polymer Modifier: Used to introduce phosphorus functionalities into polymers to alter properties like adhesion or flame resistance.

Basic Information

Product Name	Diethyl Ethylphosphonate
CAS No.	78-38-6
Molecular Formula	C6H15O3P
Molecular Weight	166.16 g/mol
Synonyms	Ethylphosphonic Acid Diethyl Ester; Diethyl Ethanephosphonate; Ethyl Diethylphosphonate; Ethylphosphonic Acid, Diethyl Ester; Diethoxy(ethyl)phosphine Oxide; NSC 8859; Ethyl Diethyl Phosphonate; O,O-Diethyl Ethylphosphonate
EINECS	201-110-7

Quality Control

Our Diethyl Ethylphosphonate is produced under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure it meets exacting purity and consistency standards required for sensitive synthetic applications. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to guarantee traceability and compliance.

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 oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.417 - 1.421
Density (20°C)	1.020 - 1.040 g/mL

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