Description

Polydimethylvinylpyridinium is a specialized cationic polymer derived from vinylpyridine, characterized by its quaternary ammonium functional groups. This compound is valued for its strong positive charge and polymeric structure, making it an effective agent for modifying surfaces and interacting with negatively charged materials. It is primarily utilized in industries such as water treatment, paper manufacturing, and biomedical research where charge-based interactions are critical. The material is supplied as a high-purity chemical to ensure consistent performance in demanding applications.

Application

• Flocculant and Coagulant Aid in water and wastewater treatment processes for the removal of suspended solids and organic matter.
• Retention and Drainage Aid in the paper industry to improve fiber retention, sheet formation, and water drainage on the wire.
• Surface Modifier for textiles, membranes, and other materials to impart a permanent cationic charge for enhanced dyeability or antifouling properties.
• Biomedical Research as a polycation for gene delivery vector complexation, cell adhesion studies, or as a coating for diagnostic devices.
• Additive in Enhanced Oil Recovery (EOR) formulations to modify the rheology of injection fluids and improve oil displacement efficiency.
• Stabilizer and Dispersant for pigments, clays, and other particulate systems in coatings and ceramic applications.

Basic Information

Product Name	Polydimethylvinylpyridinium
CAS No.	27056-62-8
Molecular Formula	(C9H12N)n
Molecular Weight	Variable (Polymer)
Synonyms	Poly(1-vinyl-3-methylpyridinium); Poly(N-methyl-3-vinylpyridinium); Poly(3-methyl-1-vinylpyridinium iodide); PDMVP; Polyvinylmethylpyridinium; Cationic polyvinylpyridine; Poly(1-methyl-3-vinylpyridinium); Poly(1-ethenyl-3-methyl-pyridinium)
EINECS	Contact for details

Quality Control

Our Polydimethylvinylpyridinium is manufactured under a strict quality management system. Each batch is tested to ensure it meets defined specifications for critical parameters such as cationic charge density, molecular weight distribution, and purity. A comprehensive Certificate of Analysis (COA) detailing the results is provided with every 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 kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to pale yellow powder or solid
Identification (IR)	Conforms to structure
Cationic Charge Density	≥ 5.0 meq/g (Typical)
Assay (Nitrogen Content)	≥ 95.0%
Loss on Drying	≤ 5.0%
Residue on Ignition (Ash)	≤ 1.0%
Viscosity (1% solution)	Reported on COA

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