Description

Dioctyl Phosphonate is a high-purity organophosphorus compound, specifically a dialkyl phosphonate ester. This chemical serves as a versatile intermediate and functional additive, prized for its ability to act as a chelating agent, extractant, and stabilizer in advanced formulations. It is essential for manufacturers and R&D teams in the chemical synthesis, polymer, and specialty materials sectors seeking reliable performance and consistent quality.

Application

• As a key intermediate in the synthesis of organophosphorus flame retardants and plasticizers.
• Utilized as a solvent extraction agent for the separation and purification of rare earth metals and transition metals.
• Acts as a stabilizer and chelating agent in polymer and lubricant formulations to enhance thermal and oxidative stability.
• Employed in the production of specialty surfactants and surface treatment agents.
• Serves as a ligand precursor in catalyst systems for various organic transformations.
• Used in research and development of novel materials, including metal-organic frameworks (MOFs) and advanced coatings.

Basic Information

Item	Detail
Product Name	Dioctyl Phosphonate
CAS No.	1809-14-9
Molecular Formula	C16H35O3P
Molecular Weight	306.42 g/mol
Synonyms	Di-n-octylphosphonate; Dioctylphosphonate; Phosphonic acid, dioctyl ester; Dioctyl phosphite (common misnomer); O,O'-Dioctyl phosphonate; Dioctyl ester of phosphonic acid; DOP; BEHP (Bis(2-ethylhexyl) phosphonate - related isomer); Octyl phosphonate
EINECS	217-318-2

Quality Control

Our Dioctyl Phosphonate is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and key physical parameters. A Certificate of Analysis (COA) documenting these results is provided to guarantee traceability and compliance with your technical 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. Keep container tightly sealed when not in use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (20°C)	0.92 - 0.96 g/mL
Refractive Index (n20D)	1.440 - 1.450
Water Content (KF)	≤ 0.5%
Acid Value	≤ 1.0 mg KOH/g

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