Description

2,4,5-Trichlorobenzenesulfonyl Chloride is a key sulfonating and sulfonylating agent in advanced organic synthesis. This compound matters for its role as a versatile building block in the production of high-value specialty chemicals, enabling the introduction of the sulfonyl functional group. It is primarily needed by manufacturers in the pharmaceutical, agrochemical, and dyestuff industries for creating active ingredients and functional intermediates.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of sulfonamide-based drugs and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the manufacture of herbicides, fungicides, and pesticides, where the sulfonyl moiety is a key functional group.
• Dyestuff and Pigment Production: Serves as a building block for creating sulfonated dyes and colorants with enhanced properties.
• Polymer Chemistry: Employed in the synthesis of specialty polymers and materials, including ion-exchange resins.
• Chemical Research & Development: A valuable reagent for introducing the trichlorobenzenesulfonyl group in novel compound libraries and process development.
• Liquid Crystal and Electronic Material Precursor: Used in the synthesis of intermediates for advanced electronic applications.

Basic Information

Product Name	2,4,5-Trichlorobenzenesulfonyl Chloride
CAS No.	15945-07-0
Molecular Formula	C6H2Cl4O2S
Molecular Weight	279.95 g/mol
Synonyms	2,4,5-Trichlorobenzene-1-sulfonyl chloride; 1,2,4-Trichloro-5-sulfonylchlorobenzene; Benzenesulfonyl chloride, 2,4,5-trichloro-; 2,4,5-Trichlorophenylsulfonyl chloride; NSC 403107; 2,4,5-Trichlorobenzenesulphonyl chloride
EINECS	240-101-6

Quality Control

Our 2,4,5-Trichlorobenzenesulfonyl Chloride is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of our industrial and research partners. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic and strong acid/organic solvent nature, the container must be kept tightly sealed to exclude moisture and stored separately from bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or lumps
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.