Description

(2-Methylbenzyl)Phosphonic Acid Diethyl Ester is a specialized organophosphorus compound that serves as a versatile intermediate in advanced chemical synthesis. This compound matters for its role in constructing complex molecules, particularly in the development of ligands, catalysts, and active pharmaceutical ingredients (APIs). It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Ligand & Catalyst Development: Serves as a precursor for phosphonate-based ligands used in homogeneous catalysis and metal complexation.
• Material Science: Intermediate for creating flame retardants, plasticizers, and other functional additives for polymers.
• Organic Synthesis Reagent: Employed in Horner-Wadsworth-Emmons (HWE) olefination and other carbon-carbon bond-forming reactions.
• Research & Development: A valuable tool for academic and industrial research in medicinal and synthetic chemistry.

Basic Information

Product Name	(2-Methylbenzyl)Phosphonic Acid Diethyl Ester
CAS No.	62778-16-9
Molecular Formula	C12H19O3P
Molecular Weight	242.25 g/mol
Synonyms	Diethyl (2-Methylbenzyl)phosphonate; Diethyl (o-Tolylmethyl)phosphonate; (o-Methylbenzyl)phosphonic Acid Diethyl Ester; Phosphonic Acid, P-[(2-Methylphenyl)methyl]-, Diethyl Ester; Diethyl (2-Methylbenzyl)phosphonate; Diethyl α-Tolylphosphonate; o-Tolylmethylphosphonic Acid Diethyl Ester; Diethyl (2-Methylphenyl)methylphosphonate
EINECS	Contact for details

Quality Control

Our (2-Methylbenzyl)Phosphonic Acid Diethyl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment and is available upon request.

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 oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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