Description

4-Amino-2,5-Dichlorbenzolsulfochlorid is a key aromatic sulfonyl chloride derivative, serving as a versatile and critical building block in advanced organic synthesis. Its reactive sulfonyl chloride and amine functional groups make it indispensable for constructing complex molecular architectures, particularly in the development of high-value specialty chemicals. This intermediate is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for creating novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of sulfonamide-based drugs, including diuretics, antibiotics, and protease inhibitors.
• Agrochemical Synthesis: Used in the production of modern herbicides, fungicides, and pesticides, leveraging its dichloro-substituted aromatic ring for enhanced bioactivity.
• Dye and Pigment Manufacturing: Serves as a key intermediate for creating azo dyes and other complex colorants, where the amino and sulfonyl chloride groups enable chromophore development.
• Polymer Chemistry: Employed in the synthesis of specialty polymers and resins, where it can act as a monomer or cross-linking agent to introduce sulfonamide linkages.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D for exploring new reaction pathways and developing novel chemical entities.
• Liquid Crystal & Electronic Materials: Used in the synthesis of advanced materials for electronic applications due to its rigid, substituted benzene core.

Basic Information

Product Name	4-Amino-2,5-Dichlorbenzolsulfochlorid
CAS No.	4857-94-7
Molecular Formula	C6H4Cl3NO2S
Molecular Weight	260.53 g/mol
Synonyms	2,5-Dichloro-4-aminobenzenesulfonyl chloride; 4-Amino-2,5-dichlorobenzenesulfonyl chloride; Benzenesulfonyl chloride, 4-amino-2,5-dichloro-; 2,5-Dichloro-4-aminophenylsulfonyl chloride; 4-Amino-2,5-dichlorophenylsulfonyl chloride; 4857-94-7; 4-Amino-2,5-dichlorobenzene-1-sulfonyl chloride
EINECS	Contact for details

Quality Control

Our production of 4-Amino-2,5-Dichlorbenzolsulfochlorid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications using advanced techniques like HPLC, GC, and NMR. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting identity, purity, and impurity profiles to support your quality assurance and regulatory compliance needs.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from incompatible materials such as strong bases, amines, and oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Contact for details

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