Description

Methyl Phenylchlorophosphonate is a versatile organophosphorus compound that serves as a critical building block in advanced chemical synthesis. Its primary value lies in its role as a key phosphorylating and chlorinating agent, enabling the efficient production of complex molecules. This high-purity intermediate is essential for research and manufacturing in the pharmaceutical, agrochemical, and specialty chemical industries, where precise molecular construction is paramount.

Application

• Pharmaceutical Intermediate: A key reagent in the synthesis of phosphate ester prodrugs and nucleotide analogs.
• Agrochemical Synthesis: Used in the production of organophosphate insecticides and herbicides.
• Ligand & Catalyst Preparation: Serves as a precursor for phosphine ligands and metal-complex catalysts.
• Flame Retardant Production: An intermediate in the manufacture of specialized organophosphorus flame retardants.
• Polymer Modification: Employed to introduce phosphonate functional groups into polymer chains.
• Chemical Research: A valuable tool in academic and industrial R&D for exploring new phosphorylation methodologies.

Basic Information

Product Name	Methyl Phenylchlorophosphonate
CAS No.	41761-00-6
Molecular Formula	C7H8ClO2P
Molecular Weight	190.56 g/mol
Synonyms	Phenylphosphonic Acid Chloride Methyl Ester; Methyl Phenylphosphonochloridate; Methyl Chlorophenylphosphonate; Phenylmethyl Chlorophosphonate; Chloromethyl Phenylphosphonate; Methyl Phenyl Phosphorochloridate; Methyl Phenylphosphonic Chloride; Methyl Phenylphosphonochloridoate
EINECS	Contact for details

Quality Control

Our Methyl Phenylchlorophosphonate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatography and spectroscopic methods, to confirm identity and assay. A Certificate of Analysis (COA) detailing all specifications 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, and well-ventilated area. Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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