Description

Diphenyl Pentylphosphonate is a specialized organophosphorus compound widely utilized as a high-performance solvent and intermediate in advanced chemical synthesis. Its unique structure provides excellent solvating power for a range of materials, making it a critical component in formulations requiring stability under basic conditions. This product is essential for R&D laboratories and industrial manufacturers in sectors such as specialty polymers, agrochemicals, and pharmaceutical intermediates, where precise chemical reactivity and purity are paramount.

Application

• Specialty Solvent: Acts as a high-boiling, polar aprotic solvent for reactions involving strong bases and organometallic catalysts.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex phosphonate esters and flame retardants.
• Polymer Additive: Used as a plasticizer and stabilizer in specialty polymer formulations to enhance flexibility and processing.
• Extraction Agent: Employed in liquid-liquid extraction processes for the separation of metal ions and organic compounds.
• Lubricant Formulation: Incorporated as an additive in high-temperature lubricants and hydraulic fluids for its thermal stability.
• Agrochemical Synthesis: Functions as an intermediate in the production of certain pesticides and herbicides.

Basic Information

Product Name	Diphenyl Pentylphosphonate
CAS No.	21645-07-8
Molecular Formula	C₁₇H₂₁O₃P
Molecular Weight	304.32 g/mol
Synonyms	Pentyl diphenyl phosphonate; Diphenyl n-pentylphosphonate; Diphenyl amylphosphonate; Amyl diphenylphosphonate; Phenyl pentyl phosphonate; Phosphonic acid, pentyl-, diphenyl ester; NSC 163082
EINECS	Contact for details

Quality Control

Our Diphenyl Pentylphosphonate is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including GC, HPLC, and NMR to verify identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and impurity profiles is provided with every shipment 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 contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Refractive Index (n20/D)	1.520 - 1.525
Density (g/mL at 20°C)	1.090 - 1.110
Water Content (KF)	≤ 0.5%

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