Description

Benzenemethanesulfonic Acid, 4-Methyl- is a specialized aromatic sulfonic acid derivative, serving as a versatile intermediate and reagent in advanced chemical synthesis. Its value lies in its ability to act as a strong acid catalyst and a building block for introducing the sulfonyl functional group into target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to create novel compounds with specific biological or material properties.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents.
• Dye and Pigment Manufacturing: Acts as an intermediate in the creation of sulfonated dyes and colorants.
• Polymer Modification: Employed to introduce sulfonic acid groups into polymers, enhancing properties like hydrophilicity or ion-exchange capacity.
• Catalysis: Functions as a strong organic acid catalyst in various organic reactions, including esterifications and alkylations.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and material science.

Basic Information

Product Name	Benzenemethanesulfonic Acid, 4-Methyl-
CAS No.	110874-71-0
Molecular Formula	C8H10O3S
Molecular Weight	186.23 g/mol
Synonyms	4-Methylbenzenemethanesulfonic Acid; p-Tolylmethanesulfonic Acid; (4-Methylphenyl)methanesulfonic Acid; α-Toluenesulfonic Acid, 4-Methyl-; p-Toluenemethanesulfonic Acid; 4-Methylbenzylsulfonic Acid; p-Methylbenzylsulfonic Acid; p-Tolylmethylsulfonic Acid
EINECS	Contact for details

Quality Control

Our Benzenemethanesulfonic Acid, 4-Methyl- is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for use as a fine chemical intermediate. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for every shipment upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases, oxidizing agents, and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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