Description

Poly(Vinylsulfonic Acid, Sodium Salt) is a water-soluble, synthetic polyelectrolyte known for its strong anionic character and high charge density. This compound is valued for its ability to modify surface charges, act as a dispersant, and function as a polymeric dopant in conductive materials. It serves as a critical component for manufacturers in the water treatment, electronics, and advanced materials sectors seeking reliable performance in demanding applications.

Application

• Dispersant & Stabilizer: Used to stabilize colloidal suspensions and prevent agglomeration in pigments, ceramics, and nanomaterials.
• Water Treatment: Acts as an antiscalant and dispersant in cooling water, boiler water, and reverse osmosis systems.
• Conductive Polymers: Serves as a polymeric dopant and charge-balancing counterion in the synthesis of PEDOT and other conductive polymer films for electronics.
• Biomedical & Diagnostics: Utilized in surface modification of diagnostic devices and as a component in hydrogel matrices for controlled release.
• Paper & Textile Manufacturing: Functions as a retention aid, drainage aid, and coating additive to improve product quality and process efficiency.
• Scale Inhibition: Effective in oilfield applications to control mineral scale formation in production wells and pipelines.

Basic Information

Product Name	Poly(Vinylsulfonic Acid, Sodium Salt)
CAS No.	9002-97-5
Molecular Formula	(C2H3SO3Na)n
Molecular Weight	Variable (Polymer)
Synonyms	Poly(sodium vinylsulfonate); Sodium poly(vinylsulfonate); PVS, Na salt; Poly(vinylsulfonic acid) sodium salt; Sodium polystyrene sulfonate (related polymer class); PSS-Na (common abbreviation); Vinylsulfonic acid sodium salt polymer; Anionic polyelectrolyte
EINECS	Contact for details

Quality Control

Our Poly(Vinylsulfonic Acid, Sodium Salt) is produced under a rigorous quality management system. Each batch is tested to ensure consistent molecular weight distribution, sulfonation degree, and solution properties. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical specifications is provided with every shipment to guarantee it meets your precise application 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); keep the original container tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder or solution
Assay (Solid Basis)	≥ 95%
Sulfonation Degree	Contact for details
Molecular Weight (Mw)	Customizable (e.g., 5k - 200k Da)
pH (in solution)	6.0 - 8.0
Loss on Drying	≤ 5.0 %
Heavy Metals (as Pb)	≤ 10 ppm

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