Description

Phosphonic Acid, Methyl-, Mono(4-Ethylphenyl) Ester (9Ci) is a specialized organophosphorus compound, CAS 693223-28-8, valued for its role as a versatile chemical intermediate and functional additive. Its molecular structure, featuring both phosphonic acid ester and aromatic groups, makes it a key building block for synthesizing advanced materials and performance chemicals. This product is essential for researchers and manufacturers in the agrochemical, polymer, and specialty chemical sectors seeking to develop novel compounds with specific properties.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of novel herbicides, fungicides, and plant growth regulators, leveraging its phosphonate moiety.
• Polymer Additive: Used as a flame retardant synergist or stabilizer in engineering plastics and resins to enhance material performance.
• Ligand and Chelating Agent: Serves as a building block for creating specialized ligands used in metal extraction, catalysis, and water treatment processes.
• Pharmaceutical Research: Employed as an intermediate in medicinal chemistry for the development of bioactive molecules, particularly those targeting enzyme inhibition.
• Surface Modification Agent: Utilized to functionalize surfaces or nanoparticles, imparting specific chemical properties for advanced material science applications.
• Corrosion Inhibitor Formulation: Acts as a component in formulations designed to protect metal surfaces in industrial systems.

Basic Information

Product Name	Phosphonic Acid, Methyl-, Mono(4-Ethylphenyl) Ester (9Ci)
CAS No.	693223-28-8
Molecular Formula	C9H13O3P
Molecular Weight	200.17 g/mol
Synonyms	Methylphosphonic Acid Mono(4-Ethylphenyl) Ester; (4-Ethylphenoxy)methylphosphonic Acid; p-Ethylphenyl Methylphosphonate; Mono(4-ethylphenyl) Methylphosphonate; Phosphonic Acid, P-methyl-, Mono(4-ethylphenyl) Ester; 693223-28-8; Methylphosphonic Acid 4-Ethylphenyl Ester
EINECS	Contact for details

Quality Control

Our production of Phosphonic Acid, Methyl-, Mono(4-Ethylphenyl) Ester (9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment, supporting your R&D and manufacturing quality assurance requirements.

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 heat, sparks, and open flame. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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