Description

2,6-Naphthalenedisulfonyl Chloride is a high-purity, reactive sulfonyl chloride derivative essential for advanced organic synthesis. This compound serves as a critical bifunctional building block, enabling the introduction of sulfonamide linkages with precise regiochemistry. It is primarily utilized by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for creating novel active ingredients and functional materials. Its defined structure is key for developing compounds with enhanced properties and performance.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drugs, including diuretics, antivirals, and enzyme inhibitors.
• Agrochemical Synthesis: Used to create novel herbicides, fungicides, and plant growth regulators with specific modes of action.
• Dye & Pigment Manufacturing: Acts as an intermediate for producing high-value, color-fast naphthalene-based dyes and optical brighteners.
• Polymer Modification: Employed to introduce sulfonyl groups into polymer backbones, enhancing thermal stability, solubility, or ionic conductivity for advanced materials.
• Ligand & Catalyst Development: Useful for constructing complex chelating agents and organocatalysts used in asymmetric synthesis.
• Cross-linking Agent: Functions as a reactive linker in the preparation of covalent organic frameworks (COFs) and other networked polymers.

Basic Information

Product Name	2,6-Naphthalenedisulfonyl Chloride
CAS No.	13827-62-8
Molecular Formula	C10H6Cl2O4S2
Molecular Weight	325.19 g/mol
Synonyms	2,6-Naphthalenedisulfonic Acid Dichloride; Naphthalene-2,6-disulfonyl Chloride; 2,6-Bis(chlorosulfonyl)naphthalene; 2,6-NDSC; NSC 403821; 1,5-Naphthalenedisulfonyl Chloride (alternate numbering); 2,6-Naphthalene Disulphonyl Chloride
EINECS	Contact for details

Quality Control

Our 2,6-Naphthalenedisulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and consistency.

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 material is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to prevent hydrolysis. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Heavy Metals	≤ 20 ppm

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