Description

Vinylbenzenesulphonic Acid is a versatile organic acid monomer characterized by its strong acidity and polymerizable vinyl group. This compound is a critical building block in the synthesis of advanced polymeric materials, particularly ion-exchange resins and polyelectrolytes. It is essential for manufacturers in the water treatment, specialty polymer, and chemical synthesis industries seeking to create materials with tailored ionic properties and functionality.

Application

• Ion-Exchange Resin Synthesis: Primary monomer for manufacturing strong acid cation exchange resins used in water softening, demineralization, and catalysis.
• Polyelectrolyte Production: Key component in creating polymers for applications as dispersants, flocculants, and superplasticizers in construction and papermaking.
• Chemical Intermediate: Used in organic synthesis for introducing sulfonic acid groups into more complex molecules for pharmaceuticals and agrochemicals.
• Fuel Cell Membranes: A precursor in the development of proton-conducting membranes (e.g., Nafion-type materials) for PEM fuel cells.
• Textile & Leather Processing: Employed in dyeing processes and as a tanning agent auxiliary due to its ionic character.
• Enhanced Oil Recovery (EOR): Component in polymers used for mobility control and conformance improvement in oilfield applications.

Basic Information

Product Name	Vinylbenzenesulphonic Acid
CAS No.	26914-43-2
Molecular Formula	C8H8O3S
Molecular Weight	184.21 g/mol
Synonyms	4-Ethenylbenzenesulfonic Acid; p-Styrenesulfonic Acid; 4-Vinylbenzenesulfonic Acid; Styrene-4-sulfonic Acid; PSSA; SSA; Vinylbenzene-4-sulfonic Acid; 4-Vinylphenylsulfonic Acid
EINECS	Contact for details

Quality Control

Our Vinylbenzenesulphonic Acid is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure consistent purity, identity, and performance. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, impurity profile, and physical properties to meet your specific 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 product is hygroscopic (moisture-sensitive) and a strong acid/organic solvent; ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture and contamination. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Iron (Fe)	≤ 50 ppm
Heavy Metals (as Pb)	≤ 20 ppm

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