Description

2,4-Dimethylbenzenesulfonic Acid is a versatile organic sulfonic acid derivative, valued for its strong acidity and utility as a catalyst and intermediate in fine chemical synthesis. Its molecular structure, featuring both methyl and sulfonic acid groups, makes it a critical reagent for introducing sulfonate functionality and for facilitating acid-catalyzed reactions. This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical sectors seeking a reliable and effective acidic building block.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and other drug substances.
• Catalyst in Organic Synthesis: Used as an efficient acid catalyst in esterification, alkylation, and condensation reactions.
• Agrochemical Production: Intermediate in the manufacture of herbicides, fungicides, and other crop protection agents.
• Dye and Pigment Synthesis: Serves as a sulfonating agent and intermediate in the production of colorants.
• Polymer Industry: Employed in the production of ion-exchange resins and as a curing agent or modifier.
• Research & Development: A valuable reagent in academic and industrial labs for method development and novel compound synthesis.
• Surfactant Precursor: Used in the synthesis of specialty surfactants and detergents.

Basic Information

Item	Detail
Product Name	2,4-Dimethylbenzenesulfonic Acid
CAS No.	88-61-9
Molecular Formula	C8H10O3S
Molecular Weight	186.23 g/mol
Synonyms	2,4-Xylenesulfonic Acid; p-Xylene-2-sulfonic Acid; 2,4-Dimethylbenzenesulphonic Acid; 2,4-DMBA; 2,4-Dimethylphenylsulfonic Acid; 4-Methyl-o-toluenesulfonic Acid; Benzenesulfonic acid, 2,4-dimethyl-
EINECS	201-847-1

Quality Control

Our 2,4-Dimethylbenzenesulfonic Acid is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identification, and impurity profiling. Certificates of Analysis (COA) documenting all test results are provided and available upon request to support your quality assurance and regulatory compliance needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm

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