Description

2-(Phosphonomethyl)Acrylic Acid is a unique functional monomer containing both a polymerizable acrylic group and a phosphonic acid moiety. This bifunctional structure makes it a valuable intermediate for synthesizing specialty polymers with enhanced chelating, dispersing, and adhesion properties. It is primarily sought after by R&D chemists and formulators in the water treatment, textile processing, and advanced material science industries.

Application

• Scale and Corrosion Inhibitors: A key monomer for synthesizing high-performance polymers used in industrial water treatment and cooling systems.
• Dispersing Agents: Used to create polymers that effectively disperse pigments, clays, and inorganic particles in coatings and ceramics.
• Detergent Builders: Serves as a precursor for phosphonate-based builders that enhance cleaning power and sequester hardness ions.
• Textile Auxiliaries: Employed in the synthesis of agents for flame retardancy, anti-soil redeposition, and dye-leveling.
• Metal Surface Treatment: Used in formulations for metal cleaning, plating, and conversion coatings to improve adhesion and corrosion resistance.
• Chelating Resins: A building block for ion-exchange or chelating resins used in metal recovery and purification processes.
• Adhesion Promoters: Incorporated into polymer backbones to improve adhesion to mineral surfaces like glass and metal.
• Biomedical Materials: Investigated for use in hydrogels and biomaterials due to its biocompatible phosphonate group.

Basic Information

Product Name	2-(Phosphonomethyl)Acrylic Acid
CAS No.	4538-02-7
Molecular Formula	C4H7O5P
Molecular Weight	166.07 g/mol
Synonyms	2-Phosphonomethylacrylic Acid; PMAA; Acrylic acid, 2-(phosphonomethyl)-; (2-Carboxyethenyl)phosphonic Acid; Vinylphosphonic acid-acrylic acid adduct; Phosphonomethylpropenoic Acid; 2-(Phosphonomethyl)-2-propenoic Acid
EINECS	Contact for details

Quality Control

Our 2-(Phosphonomethyl)Acrylic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay by titration and impurity profile analysis, to ensure consistency and high purity suitable for industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and specific parameters is provided with every shipment.

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). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent degradation. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Melting Point	Contact for details
pH (1% solution)	Contact for details

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