Description

3-Chloro-5-Chlorosulfonyl-Benzoic Acid is a versatile and highly reactive chemical intermediate characterized by its dual functional groups. This compound matters for its critical role in synthesizing more complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and advanced agrochemicals. It is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for constructing sulfonamide and benzoic acid derivative scaffolds.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of sulfonamide-based drugs and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Dyestuff and Pigment Manufacturing: Serves as a precursor for creating specialized azo dyes and high-performance pigments.
• Polymer Modification: Employed to introduce sulfonyl chloride and carboxylic acid functionalities into polymer chains for enhanced properties.
• Chemical Research & Development: A valuable reagent in organic synthesis for constructing complex aromatic compounds in R&D laboratories.
• Liquid Crystal & Electronic Material Precursor: Used in the synthesis of intermediates for liquid crystal displays (LCDs) and other electronic chemicals.

Basic Information

Product Name	3-Chloro-5-Chlorosulfonyl-Benzoic Acid
CAS No.	53553-11-0
Molecular Formula	C7H4Cl2O4S
Molecular Weight	255.08 g/mol
Synonyms	5-(Chlorosulfonyl)-3-chlorobenzoic acid; 3-Chloro-5-chlorosulfonylbenzoic acid; Benzoic acid, 3-chloro-5-(chlorosulfonyl)-; 3-Chloro-5-sulfonylchloride benzoic acid; 3-Chloro-5-chlorosulfonyl-benzoic acid; 3-Chloro-5-sulfonyl chloride benzoic acid; 53553-11-0; 3-Chloro-5-(chlorosulfonyl)benzoic acid
EINECS	Contact for details

Quality Control

Our 3-Chloro-5-Chlorosulfonyl-Benzoic Acid undergoes rigorous quality testing to ensure compliance with industry standards and customer-specific requirements. We implement a stringent quality management system, and comprehensive Certificates of Analysis (COA) documenting purity, identity, and impurity profiles are available for every batch upon request. Our quality commitment supports applications in GMP-compliant pharmaceutical synthesis and other demanding industrial processes.

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 to exclude 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
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Contact for details
Heavy Metals	≤ 20 ppm

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