Description

Aziridine, Homopolymer, Hydrochloride is a cationic polymer derived from the polymerization of aziridine (ethyleneimine) and supplied as its hydrochloride salt. This compound is valued for its high reactivity and ability to form stable, cross-linked networks, making it a versatile chemical intermediate. It is primarily sought by manufacturers in the water treatment, paper, textile, and personal care industries for its flocculating, retention aid, and surface modification properties. Consistent quality and reliable supply are critical for these demanding industrial processes.

Application

• Water Treatment: Acts as a highly effective cationic flocculant and coagulant aid for the clarification of process water and wastewater.
• Paper Manufacturing: Used as a retention and drainage aid to improve fiber and filler retention on the paper machine wire.
• Textile Processing: Serves as a dye-fixing agent and modifier to improve color fastness and fabric handle.
• Personal Care Products: Functions as a conditioning and film-forming agent in hair care and skincare formulations.
• Adhesives & Sealants: Employed as a cross-linking agent to enhance the water resistance and durability of polymer systems.
• Surface Modification: Used to create cationic surfaces on various substrates, improving adhesion and printability.

Basic Information

Product Name	Aziridine, Homopolymer, Hydrochloride
CAS No.	26338-45-4
Molecular Formula	(C2H5N)n·xHCl
Molecular Weight	Variable (Polymer)
Synonyms	Poly(ethylenimine) hydrochloride; Polyethyleneimine hydrochloride; PEI hydrochloride; Polyaziridine hydrochloride; Poly(iminoethylene) hydrochloride; Ethyleneimine polymer hydrochloride; Poly(ethylene imine) hydrochloride
EINECS	Contact for details

Quality Control

Our Aziridine, Homopolymer, Hydrochloride is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for critical parameters such as molecular weight distribution, cationic charge density, and purity. A Certificate of Analysis (COA) detailing these 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 product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	White to pale yellow viscous liquid or solid
Identification (IR)	Conforms
Assay (as PEI base)	≥ 95.0 %
pH (10% solution)	4.0 - 7.0
Viscosity	Contact for details
Residue on Ignition	≤ 1.0 %

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