Description

4-Bromo-3-(Trifluoromethyl)Benzenesulfonyl Chloride is a high-value, multi-functional chemical intermediate characterized by its reactive sulfonyl chloride group and halogenated aromatic ring. This compound matters for its critical role as a versatile building block in advanced organic synthesis, enabling the introduction of the sulfonamide moiety. It is primarily needed by research and development chemists and process engineers in the pharmaceutical and agrochemical industries for creating novel active ingredients and fine chemicals.

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 development of new herbicides, fungicides, and insecticides with enhanced efficacy and selectivity.
• Material Science: Serves as a monomer or cross-linking agent in the production of specialty polymers and advanced functional materials.
• Chemical Research: A valuable reagent in academic and industrial R&D for exploring new reaction pathways and creating compound libraries.
• Dye and Pigment Manufacturing: Intermediate in the synthesis of complex organic dyes and colorants.

Basic Information

Item	Details
Product Name	4-Bromo-3-(Trifluoromethyl)Benzenesulfonyl Chloride
CAS No.	351003-47-9
Molecular Formula	C7H3BrClF3O2S
Molecular Weight	323.51 g/mol
Synonyms	4-Bromo-3-(trifluoromethyl)benzene-1-sulfonyl chloride; 3-Trifluoromethyl-4-bromobenzenesulfonyl chloride; 4-Bromo-alpha,alpha,α-trifluoro-m-toluenesulfonyl chloride; 4-Bromo-3-trifluoromethylbenzenesulfonyl chloride; 1-Bromo-2-(trifluoromethyl)-4-(chlorosulfonyl)benzene; Benzenesulfonyl chloride, 4-bromo-3-(trifluoromethyl)-; m-Toluenesulfonyl chloride, 4-bromo-alpha,alpha,α-trifluoro-
EINECS	Contact for details

Quality Control

Our 4-Bromo-3-(Trifluoromethyl)Benzenesulfonyl Chloride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment 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 (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from strong bases and oxidizing agents.

Specification

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

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