Description

Benzenesulfonyl Chloride, 2-Chloro-6-Nitro- CAS NO 17970-75-1 is a versatile and reactive aromatic sulfonyl chloride derivative. This compound serves as a critical building block in organic synthesis, particularly for introducing the sulfonamide functional group. It is essential for manufacturers and R&D teams in the pharmaceutical and agrochemical industries who require high-purity intermediates for the development of active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drugs, including diuretics, antibacterial agents, and protease inhibitors.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and pesticides, leveraging its reactivity to create novel active molecules.
• Dyestuff & Pigment Manufacturing: Acts as an intermediate in the creation of azo dyes and other complex colorants.
• Polymer Modification: Employed to introduce sulfonyl groups into polymer chains, altering properties like solubility and thermal stability.
• Chemical Research & Development: A valuable reagent for exploring new synthetic pathways and creating specialized chemical libraries.
• Cross-coupling Reactions: Serves as an electrophile in palladium-catalyzed coupling reactions to form carbon-sulfur bonds.

Basic Information

Product Name	Benzenesulfonyl Chloride, 2-Chloro-6-Nitro-
CAS No.	17970-75-1
Molecular Formula	C6H3Cl2NO4S
Molecular Weight	256.06 g/mol
Synonyms	2-Chloro-6-nitrobenzenesulfonyl chloride; 2-Chloro-6-nitrobenzene-1-sulfonyl chloride; 1-Chloro-3-nitro-2-sulfonylchloridebenzene; NSC 403108; 2-Chloro-6-nitrobenzenesulphonyl chloride; o-Chloro-m-nitrobenzenesulfonyl chloride; 2-Chloro-6-nitrobenzene sulfonyl chloride
EINECS	Contact for details

Quality Control

Our Benzenesulfonyl Chloride, 2-Chloro-6-Nitro- is produced under stringent quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and IR for identification, to ensure it meets exacting specifications for synthetic applications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

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). This material is hygroscopic (moisture-sensitive) and reacts with strong acids/organic solvents; keep the container tightly sealed and store separately from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Contact for details

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