Description

Octylphosphonic Acid Dibutyl Ester is a high-purity organophosphorus compound valued for its role as a versatile intermediate and performance additive. Its molecular structure provides excellent solvating properties and thermal stability, making it a critical component in advanced material synthesis. This product is essential for manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance product performance and process efficiency.

Application

• Plasticizer and Stabilizer Intermediate: Used in the synthesis of specialty plasticizers and stabilizers for PVC and other polymers to improve flexibility and longevity.
• Lubricant and Hydraulic Fluid Additive: Functions as an anti-wear and extreme pressure (EP) additive, as well as a corrosion inhibitor in synthetic lubricants and industrial fluids.
• Extractant and Solvent: Employed in solvent extraction processes for metal separation and recovery in hydrometallurgy, particularly for rare earth and transition metals.
• Surface Treatment Agent: Acts as a coupling agent or surface modifier for inorganic fillers and pigments to improve dispersion and adhesion in composite materials.
• Chemical Synthesis Building Block: Serves as a key phosphorylating agent and intermediate in organic synthesis for pharmaceuticals, agrochemicals, and flame retardants.
• Fuel and Oil Additive: Used as a detergent and dispersant additive in fuel and engine oil formulations to prevent deposit formation.

Basic Information

Product Name	Octylphosphonic Acid Dibutyl Ester
CAS No.	5929-67-9
Molecular Formula	C16H35O3P
Molecular Weight	306.42 g/mol
Synonyms	Dibutyl Octylphosphonate; Octylphosphonic Acid Dibutyl Ester; Dibutyl Octylphosphonate; Butyl Octylphosphonate; Phosphonic Acid, Octyl-, Dibutyl Ester; O,P-Dibutyl Octylphosphonate; 1-Octanephosphonic Acid Dibutyl Ester; DBOP
EINECS	227-673-6

Quality Control

Our Octylphosphonic Acid Dibutyl Ester is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure it meets precise purity and consistency specifications. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are provided and available upon request to support your quality assurance protocols.

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 bases and incompatible materials. The container should be kept tightly sealed to minimize moisture absorption and prevent contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Density (20°C)	0.93 - 0.97 g/cm³
Refractive Index (20°C)	1.435 - 1.445
Water Content (KF)	≤ 0.5%
Acidity (as H3PO4)	≤ 0.1%

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