Description

2,4-Dibromobenzenesulfonyl Chloride is a high-purity, reactive organosulfur intermediate essential for advanced chemical synthesis. Its value lies in its dual functionality as both an electrophilic sulfonylating agent and a halogenated aromatic building block, enabling precise molecular construction. This compound is critically needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of sulfonamide-based drug candidates, including protease inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the production of novel herbicides and fungicides, leveraging the bromine substituents for bioactivity.
• Polymer Modification: Serves as a monomer or cross-linking agent for creating specialty polymers with specific sulfonyl chloride functionality.
• Dye and Pigment Manufacturing: Intermediate in the synthesis of complex, color-fast sulfonated dyes and organic pigments.
• Chemical Research & Development: A versatile reagent for introducing the 2,4-dibromobenzenesulfonyl moiety into target molecules in medicinal and materials chemistry.
• Ligand and Catalyst Preparation: Used to synthesize specialized ligands for metal catalysis or functionalize surfaces for catalytic applications.

Basic Information

Product Name	2,4-Dibromobenzenesulfonyl Chloride
CAS No.	72256-95-2
Molecular Formula	C6H3Br2ClO2S
Molecular Weight	334.41 g/mol
Synonyms	2,4-Dibromobenzene-1-sulfonyl chloride; Benzenesulfonyl chloride, 2,4-dibromo-; 2,4-Dibromophenylsulfonyl chloride; 2,4-DBBSC; 2,4-Dibromobenzenesulphonyl chloride
EINECS	Contact for details

Quality Control

Every batch of 2,4-Dibromobenzenesulfonyl Chloride is manufactured and tested under a strict quality management system. We ensure high chemical purity and lot-to-lot consistency through advanced analytical techniques including HPLC, GC, and NMR. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and reacts with strong bases and nucleophiles; keep the container tightly sealed and store under an inert atmosphere if necessary for long-term preservation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	98 - 102 °C
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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