Description

Hexylphosphonic Acid Diethyl Ester is a high-purity organophosphorus compound that serves as a versatile intermediate and ligand in advanced chemical synthesis. Its value lies in its ability to act as an effective extractant and catalyst component, enabling precise chemical transformations. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, particularly for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring phosphorus-containing functional groups.
• Agrochemical Synthesis: Serves as a key building block for herbicides, fungicides, and plant growth regulators.
• Metal Extraction & Separation: Acts as a selective extractant or ligand in hydrometallurgical processes for the separation of rare earth and transition metals.
• Catalysis & Ligand Chemistry: Employed as a precursor for phosphine ligands used in homogeneous catalysis, including cross-coupling reactions.
• Flame Retardant Formulation: Utilized as an intermediate in the production of organophosphorus flame retardants for polymers and textiles.
• Surface Modification Agent: Applied in the functionalization of metal oxides and other surfaces to alter wettability and adhesion properties.
• Research & Development: A valuable reagent for academic and industrial R&D in organophosphorus chemistry and material science.

Basic Information

Product Name	Hexylphosphonic Acid Diethyl Ester
CAS No.	16165-66-5
Molecular Formula	C10H23O3P
Molecular Weight	222.26 g/mol
Synonyms	Diethyl Hexylphosphonate; Diethyl n-Hexylphosphonate; Hexylphosphonic Acid Diethyl Ester; Diethyl 1-Hexylphosphonate; n-Hexylphosphonic Acid Diethyl Ester; Diethylhexylphosphonate; (Diethoxyphosphoryl)hexane; EINECS 240-312-1
EINECS	240-312-1

Quality Control

Our Hexylphosphonic Acid Diethyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure it meets the high-purity standards required for sensitive synthetic applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment and are available upon request.

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 oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Refractive Index (n20D)	1.430 - 1.435
Density (20°C)	0.980 - 1.010 g/mL
Water Content (KF)	≤ 0.5%

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