Description

Poly(Vinylphosphonic Acid) is a high-purity, synthetic polymer characterized by its repeating vinylphosphonic acid units. This compound is valued for its strong chelating properties, thermal stability, and ability to form durable, cross-linked networks, making it a versatile functional material. It is essential for manufacturers and researchers in advanced material science, water treatment, and specialty coatings who require reliable performance and consistent quality.

Application

• Scale & Corrosion Inhibitors: A key component in industrial water treatment formulations for boilers and cooling systems.
• Dispersants: Used to stabilize pigments and inorganic particles in coatings, ceramics, and detergent applications.
• Ion-Exchange Membranes: Serves as a functional polymer in proton-exchange membranes (PEMs) for fuel cells and electrolyzers.
• Dental & Biomedical Materials: Employed as a adhesion promoter and cross-linking agent in restorative cements and bioactive coatings.
• Textile & Fiber Treatment: Imparts flame-retardant and anti-static properties to synthetic fibers and fabrics.
• Metal Surface Pretreatment: Acts as a component in conversion coatings to enhance paint adhesion and corrosion resistance on metals like steel and aluminum.
• Analytical Chemistry: Utilized as a chelating agent in chromatography and sample preparation for metal ion analysis.
• Electronic Materials: Functions as a dielectric layer or etch resist in microelectronics and semiconductor processing.

Basic Information

Product Name	Poly(Vinylphosphonic Acid)
CAS No.	27754-99-0
Molecular Formula	(C2H5O3P)n
Molecular Weight	108.03 (monomer)
Synonyms	Poly(vinylphosphonic acid); PVPA; Polyvinylphosphonic acid; Vinylphosphonic acid polymer; Phosphonic acid, P-ethenyl-, homopolymer; Ethenephosphonic acid homopolymer; NSC 241238; Poly(1-phosphonoethene)
EINECS	Contact for details

Quality Control

Our Poly(Vinylphosphonic Acid) is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, molecular weight distribution, and functional performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profiles, and physical parameters is provided with each shipment to guarantee traceability and compliance with your technical requirements.

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 material is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid or solid
Identification (IR)	Conforms to structure
Assay (as acid)	≥ 95.0%
Water Content	≤ 5.0%
pH (aqueous solution)	1.0 - 3.0
Viscosity	Reported on COA
Molecular Weight (Mw)	Reported on COA

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