Description

4-(3,4-Dichlorophenoxy)Benzenesulfonyl Chloride is a high-purity, specialized organic intermediate featuring a reactive sulfonyl chloride group. This compound is critical for the synthesis of complex molecules, particularly in the development of advanced agrochemicals and pharmaceuticals. It is primarily sought by R&D chemists and process development scientists in the fine chemical, crop protection, and active pharmaceutical ingredient (API) manufacturing sectors.

Application

• Agrochemical Intermediate: A key building block for the synthesis of novel herbicides and fungicides, leveraging the dichlorophenoxy moiety for biological activity.
• Pharmaceutical Synthesis: Used in the construction of sulfonamide-based drug candidates, a common pharmacophore in medicinal chemistry.
• Dye and Pigment Manufacturing: Serves as a precursor for sulfonated dyes and specialty colorants requiring specific light-fastness and stability properties.
• Polymer Modification: Employed to introduce sulfonyl chloride functional groups into polymer chains for subsequent cross-linking or property enhancement.
• Research & Development: Essential for academic and industrial research exploring new chemical entities and reaction pathways in organic synthesis.
• Ligand and Catalyst Preparation: Used to create specialized ligands for metal complexes or functionalized catalysts.

Basic Information

Product Name	4-(3,4-Dichlorophenoxy)Benzenesulfonyl Chloride
CAS No.	501697-77-4
Molecular Formula	C12H7Cl3O3S
Molecular Weight	337.61 g/mol
Synonyms	4-(3,4-Dichlorophenoxy)benzenesulfonyl chloride; 1-(3,4-Dichlorophenoxy)-4-(chlorosulfonyl)benzene; Benzenesulfonyl chloride, 4-(3,4-dichlorophenoxy)-; 4-(3,4-DCPO)Benzenesulfonyl Chloride; 3,4-Dichlorophenyl 4-(Chlorosulfonyl)phenyl Ether
EINECS	Contact for details

Quality Control

Our production of 4-(3,4-Dichlorophenoxy)Benzenesulfonyl Chloride adheres to stringent in-process controls and final batch testing to ensure consistent high purity and reliability. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We support compliance with relevant global chemical regulations, and specifications can be aligned with customer-specific requirements for advanced synthesis.

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 sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from strong bases, oxidizers, and moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Melting Point	Contact for details
Heavy Metals	< 10 ppm

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