Description

4-Chloro-Naphthalene-1-Sulfonyl Chloride is a versatile and reactive sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its dual functionality, enabling the introduction of both the sulfonamide group and a chloro-substituted naphthalene moiety into target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for the development of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drugs, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in creating novel herbicides, fungicides, and pesticides with enhanced efficacy.
• Dyestuff and Pigment Manufacturing: Acts as an intermediate for producing high-performance, color-fast dyes and organic pigments.
• Polymer Chemistry: Employed as a monomer or cross-linking agent to modify polymer properties and introduce functional groups.
• Material Science Research: Building block for developing organic semiconductors, liquid crystals, and other advanced functional materials.
• Chemical Biology Probes: Useful for labeling and modifying biomolecules in proteomics and diagnostic assay development.

Basic Information

Product Name	4-Chloro-Naphthalene-1-Sulfonyl Chloride
CAS No.	64318-08-7
Molecular Formula	C10H6Cl2O2S
Molecular Weight	277.12 g/mol
Synonyms	1-Chlorosulfonyl-4-chloronaphthalene; 4-Chloro-1-naphthalenesulfonyl chloride; 4-Chloronaphthalene-1-sulfonyl chloride; NSC 403697; 4-Chloro-1-naphthalenesulphonyl chloride; 1,4-Dichloronaphthalenesulfonyl chloride; 4-Chloronaphthalenesulfonyl chloride
EINECS	Contact for details

Quality Control

Our 4-Chloro-Naphthalene-1-Sulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and titration methods, to ensure high purity and consistency. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available for 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, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. 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)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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