Description

Ethenesulfonic Acid, 2-(2,4,6-Trimethylphenyl)- (9Ci) is a specialized organic sulfonic acid derivative characterized by its mesitylene-substituted structure. This compound serves as a valuable building block and acidic catalyst in advanced synthetic chemistry, enabling precise molecular design and reaction control. It is primarily utilized by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key synthon for the development of novel active pharmaceutical ingredients (APIs), particularly in sulfonamide-based drug candidates.
• Polymerization Catalyst & Monomer: Acts as an acidic catalyst in ring-opening polymerizations or can be incorporated as a monomer to impart sulfonic acid functionality into specialty polymers for ion-exchange membranes.
• Agrochemical Synthesis: Used in the synthesis of advanced herbicides, fungicides, and plant growth regulators requiring a sulfonic acid moiety.
• Organic Synthesis Reagent: Employed as a strong organic acid catalyst in esterification, alkylation, and other acid-catalyzed reactions where controlled acidity is required.
• Ligand & Chelating Agent Precursor: Serves as a precursor for synthesizing specialized ligands used in metal catalysis and extraction processes.
• Surface Modification Agent: Used to functionalize surfaces and nanomaterials with sulfonic acid groups to alter wettability, adhesion, or catalytic properties.
• Dye & Pigment Manufacturing: Intermediate in the production of sulfonated dyes and high-performance pigments.
• Research & Development: A crucial tool for academic and industrial research in exploring new reaction pathways and material properties.

Basic Information

Item	Details
Product Name	Ethenesulfonic Acid, 2-(2,4,6-Trimethylphenyl)- (9Ci)
CAS No.	805946-43-4
Molecular Formula	C11H14O3S
Molecular Weight	226.29 g/mol
Synonyms	2-(2,4,6-Trimethylphenyl)ethenesulfonic Acid; 2-Mesitylethenesulfonic Acid; Vinylsulfonic Acid, Mesitylene Derivative; 805946-43-4; (2,4,6-Trimethylphenyl)vinylsulfonic Acid; 2-(2,4,6-Trimethylphenyl)vinylsulfonic Acid; Mesitylene Ethenesulfonic Acid
EINECS	Contact for details

Quality Control

Our production of Ethenesulfonic Acid, 2-(2,4,6-Trimethylphenyl)- (9Ci) adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity, NMR for structural confirmation, and Karl Fischer titration for water content, to ensure consistency and reliability. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO aligned practices for traceability and quality assurance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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