Description

Sodium (4-Vinylphenyl)Methanesulfonate is a specialized anionic monomer featuring a polymerizable vinyl group and a sulfonate functionality. This compound is valued for its ability to impart permanent anionic charge, hydrophilicity, and improved adhesion properties to polymeric materials. It is a critical raw material for manufacturers in the water treatment, advanced material science, and specialty polymer industries seeking to enhance product performance through ionic modification.

Application

• Ion-Exchange Resins & Membranes: A key monomer for manufacturing strong acid cation exchange resins and charged separation membranes used in water purification, desalination, and electrolysis processes.
• Dispersants & Stabilizers: Serves as a comonomer in the synthesis of polycarboxylate-based superplasticizers for concrete and polymeric dispersants for pigments and ceramics.
• Hydrogel & Biomedical Polymers: Incorporated into hydrogels for contact lenses, wound dressings, and drug delivery systems to control swelling and ionic conductivity.
• Enhanced Oil Recovery (EOR): Used in synthesizing sulfonated polymers that improve the viscosity and sweep efficiency of flooding solutions in oilfield applications.
• Antistatic & Conductive Coatings: Imparts permanent antistatic properties to coatings and films for electronic packaging and cleanroom environments.
• Adhesion Promoters: Improves the adhesion of coatings, inks, and adhesives to difficult substrates, including metals and plastics.

Basic Information

Product Name	Sodium (4-Vinylphenyl)Methanesulfonate
CAS No.	10195-45-6
Molecular Formula	C9H9NaO3S
Molecular Weight	220.22 g/mol
Synonyms	Sodium p-Styrenesulfonate; 4-Ethenylbenzenesulfonic Acid Sodium Salt; Sodium Vinylbenzenesulfonate; p-Vinylbenzenesulfonic Acid Sodium Salt; SSNA; SVS; Styrenesulfonic Acid Sodium Salt; Sodium 4-Vinylbenzenesulfonate
EINECS	233-460-1

Quality Control

Our Sodium (4-Vinylphenyl)Methanesulfonate is manufactured under a strict quality management system. Each batch is analyzed to ensure high purity and consistency, with specifications tailored to meet the demands of polymerization-grade monomers. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to ensure traceability and support your quality assurance protocols.

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 under an inert atmosphere (e.g., nitrogen) after opening to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
pH (5% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 10 ppm

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