Description

Phosphonic Acid, [(4-Ethenylphenyl)Methyl]- is a specialized organophosphorus compound featuring a reactive vinylbenzyl group. This unique structure makes it a valuable intermediate for synthesizing functional polymers, chelating agents, and surface modifiers. It is primarily sought by R&D chemists and process engineers in the polymer, specialty chemical, and water treatment industries for creating advanced materials with tailored properties.

Application

• Polymer Modification: Key monomer or co-monomer for introducing phosphonic acid functional groups into polymers, enhancing flame retardancy, adhesion to metal surfaces, and ion-exchange capacity.
• Scale & Corrosion Inhibition: Serves as a precursor for high-performance scale and corrosion inhibitors in industrial water treatment systems, including cooling towers and boilers.
• Chelating Agent Synthesis: Intermediate in the production of novel chelating agents and sequestrants for metal ion control in detergents, textiles, and pulp & paper processing.
• Surface Functionalization: Used to modify surfaces of metals, oxides, or polymers to improve hydrophilicity, biocompatibility, or to create specific binding sites.
• Pharmaceutical Intermediates: Potential building block in the research and development of bioactive molecules and prodrugs.
• Adhesive & Coating Formulations: Enhances the performance of adhesives and coatings by improving substrate wetting and bonding strength, particularly on challenging surfaces.

Basic Information

Product Name	Phosphonic Acid, [(4-Ethenylphenyl)Methyl]-
CAS No.	53459-43-1
Molecular Formula	C9H11O3P
Molecular Weight	198.16 g/mol
Synonyms	(4-Vinylbenzyl)phosphonic acid; p-Vinylbenzylphosphonic acid; [(4-Ethenylphenyl)methyl]phosphonic acid; Phosphonic acid, P-[(4-ethenylphenyl)methyl]-; 4-Vinylbenzylphosphonic acid; (p-Vinylphenyl)methylphosphonic acid; 53459-43-1; Vinylbenzylphosphonic acid
EINECS	Contact for details

Quality Control

Every batch of Phosphonic Acid, [(4-Ethenylphenyl)Methyl]- is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure consistency and purity for your critical applications. A detailed Certificate of Analysis (COA) is supplied with each shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 2.0%
Melting Point	Contact for details

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