Description

3,4-Dimethoxybenzenesulfonyl Chloride is a versatile and highly reactive sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its primary value lies in its ability to act as a sulfonylation reagent, facilitating the introduction of the sulfonyl functional group into target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used to create sulfonamide-based active ingredients and fine chemical intermediates.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide drugs, including diuretic and antibacterial agents.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Acts as an intermediate for producing sulfonated dyes and specialty colorants.
• Polymer Chemistry: Employed in the modification of polymers and the creation of specialty monomers.
• Chemical Research & Development: A valuable reagent for medicinal chemistry and process development in laboratory settings.
• Ligand and Catalyst Preparation: Used to synthesize complex ligands for catalytic systems and metal-organic frameworks.

Basic Information

Product Name	3,4-Dimethoxybenzenesulfonyl Chloride
CAS No.	23095-31-0
Molecular Formula	C8H9ClO4S
Molecular Weight	236.67 g/mol
Synonyms	3,4-Dimethoxybenzenesulfonyl chloride; Veratrole-4-sulfonyl chloride; 1,2-Dimethoxy-4-sulfonyl chloride benzene; 4-Sulfonyl chloride veratrole; 3,4-Dimethoxyphenylsulfonyl chloride; 4-Veratrolesulfonyl chloride; 3,4-Dimethoxybenzene-1-sulfonyl chloride
EINECS	Contact for details

Quality Control

Our 3,4-Dimethoxybenzenesulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, 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 every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under anhydrous conditions. 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%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Contact for details

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