Description

[4-(Chlorosulfonyl)-2-Methylphenoxy]Acetic Acid is a versatile and reactive chemical intermediate characterized by its distinct chlorosulfonyl and acetic acid functional groups. This compound is valued for its role as a key building block in the synthesis of more complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is primarily sought after by research institutions and industrial manufacturers involved in developing active ingredients, specialty dyes, and advanced materials.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where its reactive sites allow for structural diversification.
• Dye and Pigment Manufacturing: Serves as a key component in creating specialized azo dyes and high-performance pigments.
• Polymer Modification: Employed to introduce functional groups into polymer chains, enhancing properties like adhesion, solubility, or reactivity.
• Chemical Research & Development: Utilized in academic and industrial R&D for exploring new organic reactions and synthesizing complex heterocyclic compounds.
• Ligand and Chelating Agent Preparation: Acts as a starting material for synthesizing specialized ligands used in catalysis and metal ion sequestration.

Basic Information

Product Name	[4-(Chlorosulfonyl)-2-Methylphenoxy]Acetic Acid
CAS No.	23095-23-0
Molecular Formula	C9H9ClO5S
Molecular Weight	264.68 g/mol
Synonyms	2-Methyl-4-(chlorosulfonyl)phenoxyacetic Acid; (4-Chlorosulfonyl-2-methylphenoxy)acetic Acid; Acetic Acid, [4-(Chlorosulfonyl)-2-methylphenoxy]-; 4-Chlorosulfonyl-2-methylphenoxyacetic Acid; o-Cresoxyacetic Acid-4-sulfonyl Chloride; 2-Methyl-4-chlorosulfonylphenoxyacetic Acid
EINECS	Contact for details

Quality Control

Our production of [4-(Chlorosulfonyl)-2-Methylphenoxy]Acetic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

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	≤ 1.0%
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.