Description

Ethylphosphonic Acid Methyl 4-Chlorophenyl Ester is a specialized organophosphorus compound with significant utility as a chemical intermediate. Its unique structure, featuring both phosphonic acid ester and chlorophenyl groups, makes it a valuable building block for synthesizing more complex molecules. This product is primarily sought by research and development teams and production chemists in the agrochemical and pharmaceutical industries for creating novel active ingredients and fine chemicals.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of novel herbicides, insecticides, and plant growth regulators, leveraging its phosphonate and aryl chloride functionalities.
• Pharmaceutical Synthesis: Used as a building block for developing active pharmaceutical ingredients (APIs), particularly those requiring a phosphonate ester moiety for bioactivity or prodrug strategies.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized phosphonate-based ligands used in metal catalysis and coordination chemistry.
• Flame Retardant Research: Investigated as a potential component or intermediate in the development of organophosphorus flame retardants for polymers and textiles.
• Material Science: Employed in the research and production of advanced materials, such as metal-organic frameworks (MOFs) or surface-modifying agents.
• Chemical Research: Utilized in academic and industrial R&D settings for exploring new organic reactions and synthesizing complex molecular architectures.

Basic Information

Product Name	Ethylphosphonic Acid Methyl 4-Chlorophenyl Ester
CAS No.	33232-87-0
Molecular Formula	C9H12ClO3P
Molecular Weight	234.62 g/mol
Synonyms	Methyl 4-Chlorophenyl Ethylphosphonate; Ethylphosphonic Acid Methyl Ester 4-Chlorophenyl Ester; (4-Chlorophenoxy)methyl Ethylphosphonate; POCL 33232-87-0; Ethylphosphonate Methyl 4-Chlorophenyl Ester; 4-Chlorophenyl Methyl Ethylphosphonate; Methyl (4-Chlorophenyl) Ethylphosphonate
EINECS	Contact for details

Quality Control

Every batch of Ethylphosphonic Acid Methyl 4-Chlorophenyl Ester is manufactured and tested under a strict quality management system. We ensure the product meets high-purity standards suitable for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity (typically by GC or HPLC), and impurity profiles is provided with each shipment to guarantee batch-to-batch consistency and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	~1.25 - 1.35

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