Description

7-Ethoxynaphthalene-2-Sulfonyl Chloride is a specialized organic intermediate featuring a reactive sulfonyl chloride group. This compound is valued for its role as a key building block in the synthesis of more complex molecules, particularly in fine chemical and pharmaceutical research. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced material sectors for constructing sulfonamide derivatives and other functionalized naphthalene-based structures.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those containing sulfonamide moieties.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides where the naphthalene sulfonyl unit is required.
• Dyestuff and Pigment Manufacturing: Serves as an intermediate for creating specialized dyes, pigments, and optical brighteners.
• Polymer and Material Science: Employed in the development of advanced polymers, liquid crystals, and organic electronic materials.
• Chemical Research & Development: A versatile reagent in academic and industrial labs for exploring new organic reactions and synthesizing complex molecular architectures.
• Sulfonamide Library Synthesis: Used in combinatorial chemistry and high-throughput screening for generating diverse compound libraries for biological evaluation.

Basic Information

Product Name	7-Ethoxynaphthalene-2-Sulfonyl Chloride
CAS No.	186550-33-4
Molecular Formula	C₁₂H₁₁ClO₃S
Molecular Weight	270.73 g/mol
Synonyms	2-Ethoxy-7-naphthalenesulfonyl chloride; 7-Ethoxy-2-naphthalenesulfonyl chloride; 2-Naphthalenesulfonyl chloride, 7-ethoxy-; 7-Ethoxynaphthalene-2-sulphonyl chloride; 186550-33-4; 7-Ethoxy-2-naphthylsulfonyl chloride; 7-Ethoxynaphth-2-ylsulfonyl chloride
EINECS	Contact for details

Quality Control

Our 7-Ethoxynaphthalene-2-Sulfonyl Chloride is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and synthesis. Each lot is analyzed using advanced techniques including HPLC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic and moisture-sensitive nature, the container 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%
Melting Point	Contact for details
Heavy Metals	< 20 ppm

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