Description

Benzenesulfonic Acid, 5-Methyl-2-(Methylthio)- (9Ci) is a specialized organosulfur compound that serves as a valuable intermediate in advanced organic synthesis. Its unique structure, featuring both a sulfonic acid group and a methylthio substituent, makes it a versatile building block for creating complex molecules with tailored properties. This high-purity chemical is essential for research and development in the pharmaceutical and agrochemical industries, where it is used to synthesize novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, leveraging its sulfur-containing moiety for bioactivity.
• Chemical Research & Development: Serves as a versatile building block in organic chemistry for constructing complex heterocyclic compounds and functionalized aromatics.
• Material Science: Potential use in the synthesis of specialty polymers, dyes, and photoinitiators where sulfonic acid groups impart desired properties like solubility or acidity.
• Ligand and Catalyst Preparation: Can be utilized to develop novel ligands for metal catalysis or to modify surface properties of catalysts.

Basic Information

Product Name	Benzenesulfonic Acid, 5-Methyl-2-(Methylthio)- (9Ci)
CAS No.	792951-92-9
Molecular Formula	C8H10O3S2
Molecular Weight	218.29 g/mol
Synonyms	5-Methyl-2-(methylthio)benzenesulfonic acid; 2-Methylthio-5-methylbenzenesulfonic acid; 5-Methyl-2-(methylsulfanyl)benzenesulfonic acid; 2-(Methylthio)-5-methylbenzenesulfonic acid; Benzenesulfonic acid, 5-methyl-2-(methylthio)-; Toluene-4-sulfonic acid, 2-(methylthio)- (related isomer); CAS 792951-92-9
EINECS	Contact for details

Quality Control

Our Benzenesulfonic Acid, 5-Methyl-2-(Methylthio)- (9Ci) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Due to its nature as a strong acid/organic solvent, keep away from heat, sparks, and incompatible materials such as strong bases and oxidizing agents. Ensure containers are kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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