Description

Diethyl-n-Octadecylphosphonate, 98 % is a high-purity organophosphorus compound characterized by its long alkyl chain. This product matters as a versatile intermediate and ligand, offering excellent stability and reactivity for advanced synthesis. It is needed by researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing new materials and active ingredients.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates and bioactive molecules.
• Agrochemical Synthesis: Serves as a key building block for pesticides, herbicides, and plant growth regulators.
• Ligand in Catalysis: Acts as a phosphine ligand precursor in transition metal catalysis for fine chemical production.
• Flame Retardant Additive: Incorporated into polymer formulations to enhance fire resistance.
• Extractant & Ionophore: Employed in separation processes and sensor technologies for metal ions.
• Surface Modification Agent: Used to functionalize materials and alter surface properties.
• Research & Development: A valuable reagent for academic and industrial R&D in organic and organometallic chemistry.

Basic Information

Product Name	Diethyl-n-Octadecylphosphonate, 98 %
CAS No.	16165-72-3
Molecular Formula	C22H47O3P
Molecular Weight	390.58 g/mol
Synonyms	Diethyl octadecylphosphonate; Diethyl stearylphosphonate; n-Octadecyldiethyl phosphonate; Stearyldiethyl phosphonate; Phosphonic acid, octadecyl-, diethyl ester; O,O-Diethyl octadecylphosphonate; Octadecylphosphonic acid diethyl ester; Dioctadecylphosphonate (common misnomer, clarify structure)
EINECS	240-309-9

Quality Control

Our Diethyl-n-Octadecylphosphonate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure the specified purity and identity. Certificates of Analysis (COA) detailing all test results are available upon request to support your quality assurance and regulatory needs.

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). Keep away from strong bases and incompatible materials. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0 %
Water Content (KF)	≤ 0.5 %

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