Description

Toluene-3,4-Disulfonyl Chloride is a high-purity, reactive chemical intermediate essential for advanced organic synthesis. Its value lies in its dual sulfonyl chloride functional groups, which enable efficient and selective derivatization to create complex sulfonamides and sulfonate esters. This compound is a critical building block for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drugs, including diuretics, anticonvulsants, and protease inhibitors.
• Agrochemical Synthesis: Used to manufacture herbicides, fungicides, and plant growth regulators with sulfonyl moiety activity.
• Dye and Pigment Manufacturing: Serves as a reactant for producing sulfonated dyes and colorants with enhanced solubility and fastness properties.
• Polymer Modification: Employed to introduce sulfonyl groups into polymer chains, altering properties like hydrophilicity, adhesion, and thermal stability.
• Ligand and Catalyst Development: Useful in creating specialized chelating agents and organocatalysts for asymmetric synthesis.
• Chemical Research & Development: A versatile reagent for exploring new reaction pathways and constructing molecular libraries in medicinal chemistry.

Basic Information

Product Name	Toluene-3,4-Disulfonyl Chloride
CAS No.	26627-38-3
Molecular Formula	C7H6Cl2O4S2
Molecular Weight	289.15 g/mol
Synonyms	3,4-Dimethylbenzenesulfonyl Chloride; 3,4-Dimethylbenzenesulfonyl Chloride; 3,4-Dimethylphenylsulfonyl Chloride; 3,4-Dimethylbenzene-1,2-disulfonyl Chloride; Toluene-3,4-disulfonic Acid Dichloride; 3,4-Dimethylbenzenesulfonyl Chloride; 3,4-Dimethylbenzene-1,2-disulfonyl Chloride; 3,4-Dimethylbenzenesulfonyl Chloride
EINECS	Contact for details

Quality Control

Our Toluene-3,4-Disulfonyl Chloride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for sensitive synthetic applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are 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, well-ventilated place at a controlled room temperature (typically 15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases, amines, and alcohols.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Melting Point	Contact for details

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