Description

Benzenesulfonic Acid, Ethenyl-, Homopolymer is a high-performance polymeric acid derived from styrenesulfonic acid. This compound is valued for its strong acidic properties and excellent solubility in water and polar organic solvents, making it a versatile functional polymer. It is essential for industries requiring durable ion-exchange materials, conductive polymers, or advanced dispersants and stabilizers. Key sectors that utilize this polymer include water treatment, specialty coatings, electronics, and advanced material synthesis.

Application

• Ion-Exchange Resins: A key monomer for manufacturing strong acid cation exchange resins used in water purification, demineralization, and chemical processing.
• Conductive Polymers & Electronics: Used as a dopant or component in the production of conductive polymers for antistatic coatings, capacitors, and organic electronic devices.
• Dispersants & Stabilizers: Acts as an effective dispersing agent and stabilizer in emulsion polymerization, pigment suspensions, and ceramic processing.
• Fuel Cell Membranes: Serves as a precursor or component in proton exchange membranes (PEMs) for fuel cells due to its sulfonic acid groups.
• Textile & Leather Auxiliaries: Employed in dyeing processes and as a tanning agent auxiliary to improve color fastness and material properties.
• Scale Inhibitors: Used in industrial water systems, such as cooling towers and boilers, to prevent the formation of mineral scale.
• Pharmaceutical Intermediates: Utilized in the synthesis of certain pharmaceutical compounds and as an excipient in controlled-release formulations.
• Adhesives & Coatings: Incorporated into formulations to enhance adhesion, moisture resistance, and overall durability of coatings and adhesives.

Basic Information

Product Name	Benzenesulfonic Acid, Ethenyl-, Homopolymer
CAS No.	50851-57-5
Molecular Formula	(C8H8O3S)n
Molecular Weight	Contact for details
Synonyms	Poly(sodium 4-styrenesulfonate); Poly(styrenesulfonic acid); PSS; Poly(4-styrenesulfonic acid); Sodium polystyrene sulfonate polymer; Poly(sodium styrenesulfonate); Poly(styrene-4-sulfonate); PSSA
EINECS	Contact for details

Quality Control

Our Benzenesulfonic Acid, Ethenyl-, Homopolymer is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay, molecular weight distribution, and impurity profiling, to ensure it meets precise specifications for your application. Certificates of Analysis (COA) documenting purity, viscosity, and other critical parameters are available upon request.

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 containers are sealed tightly after use to prevent absorption of atmospheric moisture. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or beads
Identification (IR)	Conforms
Assay (as polymer)	≥ 95.0%
Sulfur Content	Contact for details
Molecular Weight (Mw)	Customized grades available
Loss on Drying	≤ 5.0 %
pH (in solution)	Contact for details
Residual Monomer	≤ 0.5 %

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