Description

2,4-Dinitrobenzenesulfonyl Chloride is a highly reactive sulfonyl chloride derivative, primarily used as a key reagent in organic synthesis and peptide chemistry. Its value lies in its ability to act as a versatile protecting group and sulfonylation agent, enabling the precise construction of complex molecules. This compound is essential for research and development laboratories, pharmaceutical intermediates, and fine chemical manufacturers requiring high-purity synthetic building blocks.

Application

• As a protecting group reagent for amines and alcohols in multi-step organic synthesis.
• Critical intermediate in the synthesis of sulfonamide-based pharmaceuticals and bioactive compounds.
• Used in peptide chemistry for the modification and derivatization of amino acid side chains.
• Reagent for the preparation of dyes, pigments, and specialty chemicals.
• Building block in materials science for creating functional polymers and advanced materials.
• Starting material for analytical chemistry reagents and chromatography standards.

Basic Information

Product Name	2,4-Dinitrobenzenesulfonyl Chloride
CAS No.	1656-44-6
Molecular Formula	C6H3ClN2O6S
Molecular Weight	266.62 g/mol
Synonyms	2,4-Dinitrobenzenesulfonyl chloride; 2,4-DNBSC; 2,4-Dinitrophenylsulfonyl chloride; Benzenesulfonyl chloride, 2,4-dinitro-; DNBS-Cl; 1-Chlorosulfonyl-2,4-dinitrobenzene; NSC 403119
EINECS	216-759-9

Quality Control

Our 2,4-Dinitrobenzenesulfonyl Chloride is manufactured under strict quality control protocols to ensure high purity and batch-to-batch consistency. Each lot undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation. A Certificate of Analysis (COA) detailing all specifications 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, well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to prevent decomposition. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	96 - 100 °C
Water Content (KF)	≤ 0.5%

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