Description

2-Chloro-4-Methylsulphonylbenzoic Acid is a high-purity organic intermediate characterized by its distinct benzoic acid core substituted with chloro and methylsulfonyl functional groups. This compound matters for its role as a critical building block in the synthesis of advanced agrochemicals and pharmaceuticals, where its specific substitution pattern enables precise molecular modifications. It is primarily needed by research and development chemists, process scale-up engineers, and manufacturers in the agrochemical and fine chemical sectors seeking reliable, high-quality intermediates for complex synthesis pathways.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of modern herbicides and plant growth regulators, leveraging its reactive sites for further functionalization.
• Pharmaceutical Building Block: Used in research and development for constructing active pharmaceutical ingredients (APIs), particularly those requiring sulfone and carboxylic acid motifs.
• Fine Chemical Synthesis: Serves as a versatile starting material or intermediate in custom synthesis and the production of specialty chemicals.
• Research & Development: Employed in academic and industrial labs for method development and exploring new chemical entities in medicinal and agrochemistry.
• Dye and Pigment Industry: Can be utilized in the synthesis of specialized dyes and pigments due to its aromatic structure and functional groups.

Basic Information

Product Name	2-Chloro-4-Methylsulphonylbenzoic Acid
CAS No.	53250-83-2
Molecular Formula	C8H7ClO4S
Molecular Weight	234.66 g/mol
Synonyms	2-Chloro-4-(methylsulfonyl)benzoic Acid; Benzoic acid, 2-chloro-4-(methylsulfonyl)-; 4-Methylsulfonyl-2-chlorobenzoic Acid; 2-Chloro-4-methanesulfonylbenzoic Acid; 2-Chloro-4-(methylsulphonyl)benzoic Acid; 2-Chloro-4-methylsulfonylbenzoic Acid; 53250-83-2; 2-Chloro-4-(methanesulfonyl)benzoic Acid
EINECS	Contact for details

Quality Control

Our 2-Chloro-4-Methylsulphonylbenzoic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our production adheres to cGMP principles where applicable, ensuring reliability for critical synthesis applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases, strong oxidizing agents, and sources of ignition. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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