Description

Poly(Allylamine Hydrochloride) is a cationic, water-soluble polymer derived from the polymerization of allylamine hydrochloride. This compound is valued for its high density of primary amine functional groups, which provide strong cationic charge and reactivity, making it an essential material for surface modification and binding applications. It is widely utilized in industries such as biotechnology, water treatment, and materials science for its ability to interact with anionic surfaces and molecules.

Application

• Biomolecule Immobilization: Used as a coating or linker layer for immobilizing DNA, proteins, and enzymes on various substrates for biosensors and diagnostic assays.
• Flocculation & Water Treatment: Acts as an effective cationic flocculant for clarifying wastewater and removing suspended solids and organic contaminants.
• Paper & Textile Manufacturing: Serves as a wet-strength additive, retention aid, and dye-fixing agent to improve product quality and process efficiency.
• Surface Functionalization: Applied to modify the surface charge and properties of membranes, microspheres, and nanoparticles to enhance performance in filtration and separation processes.
• Gene Delivery & Transfection: Investigated as a component in non-viral gene delivery vectors due to its ability to complex with nucleic acids.
• Adhesive & Coating Formulations: Used in specialty adhesives and primer coatings to improve adhesion to challenging surfaces.

Basic Information

Product Name	Poly(Allylamine Hydrochloride)
CAS No.	71550-12-4
Molecular Formula	(C₃H₈N•ClH)ₙ
Molecular Weight	Variable (Polymer)
Synonyms	Poly(allylamine) hydrochloride; PAA-HCl; Polyallylamine HCl; Poly(allylamine HCl); Poly(1-propen-3-amine) hydrochloride; PAAm-HCl; NSC 339243; Allylamine polymer hydrochloride
EINECS	Contact for details

Quality Control

Our Poly(Allylamine Hydrochloride) is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent molecular weight distribution, charge density, and purity. A comprehensive Certificate of Analysis (COA) detailing assay, viscosity, pH, and residual monomer content is provided with every shipment to guarantee 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 product is hygroscopic (moisture-sensitive). Keep the container tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	White to pale yellow powder or solution
Identification (IR)	Conforms
Assay (as polymer)	≥ 95.0 %
Viscosity (10% aq. sol.)	10 - 100 cPs (Grade dependent)
pH (1% aqueous solution)	4.0 - 6.0
Residual Monomer	≤ 0.5 %
Solubility	Freely soluble in water

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