Description

Sodium 4-(2-Methylprop-2-En-1-Yl)Benzenesulphonate is a specialized organic sulfonate salt, also known as sodium p-isopropenylbenzenesulfonate, valued for its role as a reactive intermediate and functional monomer. Its chemical structure, featuring a polymerizable vinyl group attached to a sulfonated aromatic ring, makes it a key component for introducing sulfonate functionality and enhancing hydrophilicity in polymeric materials. This compound is essential for manufacturers in the polymer, specialty chemical, and surfactant industries seeking to modify material properties for advanced applications.

Application

• Polymer Modification: Used as a comonomer to incorporate anionic sulfonate groups into acrylic, styrenic, or vinyl polymers, improving dyeability, antistatic properties, and water absorption.
• Ion-Exchange Resins: Serves as a functional monomer in the synthesis of cation-exchange resins and membranes for water treatment and separation processes.
• Surfactant & Dispersant Synthesis: Acts as a key intermediate in the production of specialized anionic surfactants and dispersing agents for industrial formulations.
• Textile Auxiliaries: Employed in the manufacture of finishing agents and dyeing assistants to enhance fabric performance.
• Enhanced Oil Recovery (EOR): Investigated for use in synthesizing polymeric surfactants that improve the efficiency of oil extraction.
• Adhesive & Coating Formulations: Incorporated to adjust the ionic character and solubility of polymers used in adhesives and specialty coatings.

Basic Information

Product Name	Sodium 4-(2-Methylprop-2-En-1-Yl)Benzenesulphonate
CAS No.	1208-67-9
Molecular Formula	C10H11NaO3S
Molecular Weight	234.25 g/mol
Synonyms	Sodium p-Isopropenylbenzenesulfonate; 4-Isopropenylbenzenesulfonic Acid Sodium Salt; Sodium 4-Isopropenylbenzenesulfonate; p-Vinylcumylsulfonic Acid Sodium Salt; 1-Methyl-1-(4-sulfophenyl)ethylene Sodium Salt; NAIPBS; SIPBS; Benzenesulfonic acid, 4-(1-methylethenyl)-, sodium salt (1:1)
EINECS	214-904-5

Quality Control

Our Sodium 4-(2-Methylprop-2-En-1-Yl)Benzenesulphonate is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistency, purity, and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, impurity profile, and physical characteristics is provided with every shipment to guarantee 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); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets requirement
pH (5% solution)	6.0 - 8.0

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