Description

Phenylphosphonic Acid Dibutyl Ester is a high-purity organophosphorus compound widely used as a versatile intermediate and additive. This product is valued for its role in modifying material properties and facilitating specific chemical reactions in advanced manufacturing. It is essential for industries involved in polymer synthesis, specialty chemicals, and materials science, where precise performance and reliable quality are critical.

Application

• Polymer Additive and Modifier: Acts as a flame retardant synergist, plasticizer, or stabilizer in engineering plastics and specialty polymer formulations.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex organophosphorus compounds, including ligands and pharmaceutical intermediates.
• Extractant and Chelating Agent: Used in solvent extraction processes for the separation and purification of metal ions in hydrometallurgy and analytical chemistry.
• Lubricant and Hydraulic Fluid Additive: Imparts anti-wear and extreme pressure properties to synthetic lubricants and functional fluids.
• Adhesive and Coating Formulations: Enhances adhesion, flexibility, and durability in high-performance adhesive and coating systems.
• Catalyst and Co-catalyst Component: Employed in various catalytic systems, particularly in polymerization and organic synthesis reactions.

Basic Information

Product Name	Phenylphosphonic Acid Dibutyl Ester
CAS No.	1024-34-6
Molecular Formula	C14H23O3P
Molecular Weight	270.30 g/mol
Synonyms	Dibutyl Phenylphosphonate; Phenylphosphonic Acid Dibutyl Ester; Dibutyl Phenylphosphonite; Butyl Phenylphosphonate; Phenylphosphonic Acid Di-n-butyl Ester; Di-n-butyl Phenylphosphonate; NSC 404083; Phosphonic acid, P-, dibutyl ester
EINECS	213-828-5

Quality Control

Our Phenylphosphonic Acid Dibutyl Ester is manufactured under a stringent quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and performance. Certificates of Analysis (COA) documenting these results are 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. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Density (at 20°C)	1.040 - 1.060 g/mL
Refractive Index (n20/D)	1.490 - 1.510
Water Content (KF)	≤ 0.5%

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