Description

2,6-Dichloro-3-Chlorosulfonyl-Benzoic Acid is a high-value, multi-functional chemical intermediate characterized by its reactive chlorosulfonyl and carboxylic acid groups. This compound matters for its critical role in synthesizing advanced agrochemicals and pharmaceuticals, where it serves as a key building block for introducing specific functional groups. It is primarily needed by R&D chemists and process development teams in the fine chemical, crop protection, and active pharmaceutical ingredient (API) manufacturing sectors.

Application

• Agrochemical Intermediate: Key precursor in the synthesis of modern herbicides and fungicides, particularly sulfonylurea and sulfonamide classes.
• Pharmaceutical Synthesis: Serves as a versatile building block for creating novel drug candidates, especially those containing benzenesulfonamide moieties.
• Dyestuff and Pigment Manufacturing: Used in the production of specialized dyes and organic pigments requiring chlorinated and sulfonated aromatic structures.
• Polymer Modification: Employed to introduce reactive sites or functional groups into polymer chains for enhanced properties.
• Research & Development: A valuable reagent in organic synthesis for academic and industrial research exploring new chemical entities.
• Custom Synthesis: Starting material for contract manufacturing organizations (CMOs) producing tailored intermediates for client-specific projects.

Basic Information

Item	Details
Product Name	2,6-Dichloro-3-Chlorosulfonyl-Benzoic Acid
CAS No.	53553-05-2
Molecular Formula	C7H3Cl3O4S
Molecular Weight	289.52 g/mol
Synonyms	3-Chlorosulfonyl-2,6-dichlorobenzoic Acid; Benzoic acid, 2,6-dichloro-3-(chlorosulfonyl)-; 2,6-Dichloro-3-(chlorosulfonyl)benzoic acid; 2,6-Dichloro-3-sulfonyl chloride benzoic acid
EINECS	Contact for details

Quality Control

Our production of 2,6-Dichloro-3-Chlorosulfonyl-Benzoic Acid adheres to stringent in-process controls and final batch testing to ensure consistent purity and performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and identity confirmation. Our quality management system is designed to meet the rigorous demands of GMP and ISO standards for intermediate manufacturing.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Single Maximum Impurity	≤ 0.5%

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