Description

2-(2-Naphthyl)Ethanesulfonyl Chloride is a specialized organic sulfonyl chloride derivative, serving as a critical building block in advanced chemical synthesis. Its value lies in its high reactivity as a sulfonylation agent, enabling the introduction of the 2-naphthylethanesulfonyl moiety into target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key reagent in the synthesis of potential drug candidates, especially those targeting specific enzyme inhibition.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and insecticides that require the naphthalene sulfonamide pharmacophore.
• Material Science Research: Employed in the creation of specialized polymers and functional materials with tailored surface properties.
• Bioconjugation Chemistry: Acts as a linker for modifying proteins, peptides, or other biomolecules in biochemical research.
• Dye and Pigment Manufacturing: Intermediate in the production of advanced colorants and optical brighteners.
• Custom Synthesis & Contract Manufacturing: A vital starting material for custom chemical synthesis services catering to R&D and pilot-scale production.

Basic Information

Product Name	2-(2-Naphthyl)Ethanesulfonyl Chloride
CAS No.	104295-83-2
Molecular Formula	C₁₂H₁₁ClO₂S
Molecular Weight	254.73 g/mol
Synonyms	2-(Naphthalen-2-yl)ethanesulfonyl chloride; 2-(2-Naphthyl)ethanesulfonyl chloride; 2-Naphthaleneethanesulfonyl chloride; β-(2-Naphthyl)ethanesulfonyl chloride; 2-(2-Naphthyl)ethylsulfonyl chloride; 2-Naphthylethanesulfonyl chloride; NSC 405124
EINECS	Contact for details

Quality Control

Every batch of 2-(2-Naphthyl)Ethanesulfonyl Chloride is manufactured and tested under strict quality management protocols to ensure high purity and consistency. Our products undergo rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to confirm identity and assay. Certificates of Analysis (COA) documenting all critical quality parameters are available upon request to support your regulatory and R&D needs.

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 (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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