Description

Poly(p-Xylene Tetrahydrothiophenium Chloride) is a specialized cationic polymer, also known as a polyelectrolyte, with the CAS registry number 110866-77-8. This compound is valued for its unique combination of a rigid p-xylene backbone and reactive tetrahydrothiophenium functional groups, making it a critical material for advanced surface modification and charge-based applications. It is primarily sought by manufacturers and researchers in the electronics, water treatment, and specialty polymer industries for its ability to impart permanent positive surface charges and enhance material compatibility.

Application

• Semiconductor and Microelectronics Manufacturing: As a key component in photoresist formulations and as a surface charge modifier for silicon wafers and other substrates.
• Water and Wastewater Treatment: Used as a high-performance cationic flocculant and coagulant aid for the removal of suspended solids, organic matter, and negatively charged contaminants.
• Paper and Pulp Industry: Functions as a retention and drainage aid, as well as a strength additive in papermaking processes.
• Textile Processing: Employed as a dye-fixing agent and antistatic coating to improve color fastness and fabric handling.
• Enhanced Oil Recovery (EOR): Utilized in polymer flooding formulations to improve the viscosity and sweep efficiency of injection water.
• Biomedical Research: Serves as a coating material for cell culture surfaces, diagnostic devices, and drug delivery systems to promote cell adhesion or modify surface properties.
• Conductive Polymers and Composites: Acts as a precursor or dopant in the synthesis of conductive polymer films and nanocomposites.

Basic Information

Product Name	Poly(p-Xylene Tetrahydrothiophenium Chloride)
CAS No.	110866-77-8
Molecular Formula	(C12H17SCl)n
Molecular Weight	Contact for details (Polymer)
Synonyms	Poly(p-xylylenetetrahydrothiophenium chloride); Poly(p-xylene tetrahydrothiophenium) chloride; PXT-Cl; Cationic poly(p-xylylene tetrahydrothiophenium chloride); Poly[(p-xylylene-α-tetrahydrothiophenium) chloride]; Poly(para-xylylene tetrahydrothiophenium chloride); Parylene HT® precursor (related); Poly(p-xylylene tetrahydrothiophenium) salt
EINECS	Contact for details

Quality Control

Our Poly(p-Xylene Tetrahydrothiophenium Chloride) is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity, molecular weight distribution, and functional group integrity. Certificates of Analysis (COA) detailing key parameters such as assay, chloride content, and viscosity are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. This material is hygroscopic (moisture-sensitive) and should be stored in a cool, dry place at room temperature (15-25°C/59-77°F). For long-term storage, consider desiccated conditions or an inert atmosphere to maintain optimal stability and performance.

Specification

Item	Specification
Appearance	White to off-white powder or solid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Chloride Content	Conforms
Moisture (KF)	≤ 2.0%
Viscosity (Solution)	Contact for details
Molecular Weight (GPC)	Contact for details

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