Description

Diethyl 2,4,6-Trimethylphenyl Phosphonate is a specialized organophosphorus compound widely used as a key intermediate in the synthesis of advanced materials and fine chemicals. Its value lies in its unique sterically hindered phenolic structure, which provides excellent stability and reactivity for constructing complex molecular architectures. This high-purity intermediate is essential for manufacturers and R&D laboratories in the agrochemical, pharmaceutical, and specialty polymer industries seeking to develop new products with enhanced performance characteristics.

Application

• Agrochemical Intermediate: A critical building block for the synthesis of novel herbicides, fungicides, and plant growth regulators, leveraging its phosphonate moiety.
• Pharmaceutical Synthesis: Used as a precursor in the development of active pharmaceutical ingredients (APIs) and prodrugs, particularly those requiring phosphonate ester functionalities.
• Ligand and Catalyst Preparation: Serves as a starting material for creating specialized phosphonate-based ligands used in homogeneous catalysis and metal complexation.
• Flame Retardant Synergist: Employed in the formulation of advanced flame-retardant systems for polymers and textiles, where it acts in conjunction with other agents.
• Organic Synthesis Reagent: Utilized in Horner-Wadsworth-Emmons (HWE) olefination reactions and other carbon-carbon bond forming processes in fine chemical production.
• Material Science Research: Acts as a monomer or additive in the research and development of specialty polymers and functional materials.

Basic Information

Product Name	Diethyl 2,4,6-Trimethylphenyl Phosphonate
CAS No.	28036-01-3
Molecular Formula	C13H21O3P
Molecular Weight	256.28 g/mol
Synonyms	Diethyl Mesitylphosphonate; Phosphonic acid, P-(2,4,6-trimethylphenyl)-, diethyl ester; Diethyl (2,4,6-Trimethylphenyl)phosphonate; Diethyl Mesityl Phosphonate; Mesitylphosphonic Acid Diethyl Ester; 2,4,6-Trimethylphenylphosphonic Acid Diethyl Ester; Diethyl 2,4,6-Trimethylbenzene Phosphonate
EINECS	Contact for details

Quality Control

Our Diethyl 2,4,6-Trimethylphenyl Phosphonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

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 such as strong oxidizing agents. The container must be kept tightly closed to prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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