Description

o-Tolyl-Phosphonic Acid Diethyl Ester is a high-purity organophosphorus compound, specifically a phosphonic acid ester derivative, valued for its role as a versatile synthetic intermediate and ligand precursor. Its chemical structure makes it a critical building block for creating complex molecules in advanced research and industrial synthesis. This product is essential for manufacturers and R&D laboratories in the agrochemical, pharmaceutical, and specialty chemical sectors seeking reliable, high-quality intermediates for scale-up and process development.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of advanced herbicides, fungicides, and plant growth regulators.
• Pharmaceutical Synthesis: Used as a building block for active pharmaceutical ingredients (APIs) and in medicinal chemistry research.
• Ligand and Catalyst Preparation: Serves as a precursor for phosphonate-based ligands used in homogeneous catalysis and metal complexation.
• Flame Retardant Additive: Incorporated into polymer formulations to enhance flame-retardant properties.
• Specialty Polymer Modifier: Used to modify the properties of engineering plastics and resins.
• Extractant and Chelating Agent: Employed in solvent extraction processes for metal separation and recovery.
• Organic Synthesis Reagent: A versatile reagent for constructing carbon-phosphorus bonds in complex organic molecules.
• Research & Development: A valuable compound for academic and industrial R&D in organophosphorus chemistry.

Basic Information

Product Name	o-Tolyl-Phosphonic Acid Diethyl Ester
CAS No.	15286-11-0
Molecular Formula	C11H17O3P
Molecular Weight	228.22 g/mol
Synonyms	Diethyl (2-Methylphenyl)phosphonate; Diethyl o-Tolylphosphonate; Diethyl 2-Methylphenylphosphonate; (2-Methylphenyl)phosphonic Acid Diethyl Ester; Phosphonic Acid, P-(2-Methylphenyl)-, Diethyl Ester; o-Tolylphosphonic Acid Diethyl Ester; Diethyl (o-Tolyl)phosphonate; 15286-11-0
EINECS	Contact for details

Quality Control

Our o-Tolyl-Phosphonic Acid Diethyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure high purity and consistent composition. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee it meets your specific research or production 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 prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.10 - 1.15
Refractive Index (n20D)	1.510 - 1.520

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