Description

2,4-Dimethylbenzenesulfonic Acid Dihydrate is a versatile organic sulfonic acid derivative, commonly known as 2,4-xylenesulfonic acid dihydrate. This compound serves as a crucial intermediate and catalyst in various organic synthesis and industrial processes due to its strong acidic properties and solubility characteristics. It is particularly valuable for manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors seeking a reliable and effective acid catalyst or building block for sulfonation reactions.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Acid Catalyst: Employed as a catalyst in esterification, alkylation, and condensation reactions in organic synthesis.
• Dye and Pigment Manufacturing: Acts as a sulfonating agent in the production of dyes, pigments, and colorants.
• Polymer Industry: Utilized in the production of ion-exchange resins and as a curing agent or modifier for certain polymers.
• Agrochemical Synthesis: Serves as a key intermediate in the manufacture of herbicides, pesticides, and plant growth regulators.
• Research & Development: A valuable reagent in laboratory-scale chemical research and process development.

Basic Information

Product Name	2,4-Dimethylbenzenesulfonic Acid Dihydrate
CAS No.	92558-30-0
Molecular Formula	C8H10O3S · 2H2O
Molecular Weight	218.24 g/mol (anhydrous basis)
Synonyms	2,4-Xylenesulfonic Acid Dihydrate; 2,4-Dimethylbenzenesulphonic Acid Dihydrate; p-Xylene-2-sulfonic Acid Dihydrate; 2,4-DMBA Dihydrate; 2,4-Dimethylphenylsulfonic Acid Dihydrate; Benzenesulfonic acid, 2,4-dimethyl-, dihydrate
EINECS	Contact for details

Quality Control

Our 2,4-Dimethylbenzenesulfonic Acid Dihydrate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and composition. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics is provided with every shipment to guarantee consistent quality and traceability for your critical processes.

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, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 98.0%
Water Content (KF)	14.0 - 17.0 %
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residue on Ignition	< 0.1%

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