Description

3,5-Pyridinedisulfonyl Dichloride is a high-purity, reactive chemical intermediate essential for advanced organic synthesis. Its core value lies in its dual sulfonyl chloride functional groups, which enable efficient derivatization and serve as a key building block for creating complex molecular architectures. This compound is critically needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing sulfonamide-based active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel sulfonamide-based drug candidates, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and insecticides that require the sulfonyl moiety for biological activity.
• Ligand and Catalyst Development: Serves as a versatile linker for constructing complex chelating ligands used in catalysis and metal-organic frameworks (MOFs).
• Polymer Modification: Employed to introduce sulfonyl chloride groups onto polymer backbones for subsequent functionalization, creating materials with tailored properties.
• Dye and Pigment Manufacturing: Acts as an intermediate in the production of specialized sulfonated dyes and colorants.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D focused on heterocyclic and sulfur chemistry.

Basic Information

Product Name	3,5-Pyridinedisulfonyl Dichloride
CAS No.	13069-02-8
Molecular Formula	C5H2Cl2N1O4S2
Molecular Weight	274.10 g/mol
Synonyms	Pyridine-3,5-disulfonyl dichloride; 3,5-Disulfonylchloridopyridine; 3,5-Bis(chlorosulfonyl)pyridine; 3,5-Pyridinedisulfonic acid dichloride; NSC 403119; 3,5-Pyridinedisulphonyl dichloride
EINECS	Contact for details

Quality Control

Our 3,5-Pyridinedisulfonyl Dichloride is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR, to ensure it meets the high standards required for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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