Description

Acrylicacid,Sulphopropylester CAS NO 39121-78-3 is a specialized functional monomer featuring both acrylic and sulfonic acid ester groups. This unique bifunctional structure makes it a valuable reactive intermediate for imparting hydrophilicity, ionic character, and crosslinking capabilities to polymer systems. It is primarily sought after by formulators and polymer chemists in the coatings, adhesives, and advanced materials sectors seeking to enhance product performance through tailored chemical functionality.

Application

• As a reactive monomer in the synthesis of ion-exchange resins and membranes for water treatment.
• Key intermediate for manufacturing hydrophilic coatings and surface modifiers.
• Used in the production of crosslinked acrylic polymers for adhesives and sealants with improved water resistance.
• Component in specialty dispersion agents and emulsifiers for polymerization processes.
• Building block for functional polymers used in personal care and cosmetic thickeners.
• Raw material for creating UV-curable resins with enhanced adhesion and flexibility properties.

Basic Information

Product Name	Acrylicacid,Sulphopropylester
CAS No.	39121-78-3
Molecular Formula	C6H10O5S
Molecular Weight	194.21 g/mol
Synonyms	2-Propenoic acid, 3-sulfopropyl ester; 3-Sulfopropyl acrylate; SPA; Acrylic acid 3-sulfopropyl ester; Sulfopropyl acrylate; 1-Propanesulfonic acid, 2-hydroxy-, 1-acrylate; Acrylic acid sulfopropylester; Acrylic acid 3-sulfopropylester
EINECS	Contact for details

Quality Control

Our production of Acrylicacid,Sulphopropylester adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay, purity profiling, and impurity identification, to ensure consistency and performance. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This material is light-sensitive and easily oxidized; it is recommended to store under an inert atmosphere (e.g., nitrogen) to maximize shelf life and maintain product integrity. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0 %
Water Content (KF)	≤ 0.5 %
Sulfonic Acid Content (Titration)	Contact for details
Specific Gravity	Contact for details

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