Description

1-Naphthalenesulfonylchloride,5-Amino-(9Ci) is a specialized aromatic sulfonyl chloride derivative, serving as a versatile and critical building block in advanced organic synthesis. Its primary value lies in its bifunctional reactivity, where the sulfonyl chloride group acts as an excellent electrophile for sulfonamide formation, and the amino group provides a handle for further functionalization. This compound is essential for research chemists and process development scientists in the pharmaceutical and agrochemical industries, particularly for the synthesis of complex molecules, dyes, and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, especially those containing sulfonamide pharmacophores.
• Agrochemical Synthesis: Used in the development of herbicides, fungicides, and insecticides that require specific sulfonamide linkages.
• Dye and Pigment Manufacturing: Serves as a precursor for the creation of azo dyes and other colorants with enhanced properties.
• Polymer Chemistry: Employed in the modification of polymers and the synthesis of specialty monomers to impart specific functional groups.
• Bioconjugation Reagent: Useful in biochemical research for labeling proteins or other biomolecules via reaction with amino groups.
• Material Science Research: Investigated for the development of advanced organic materials, including liquid crystals and organic semiconductors.

Basic Information

Product Name	1-Naphthalenesulfonylchloride,5-Amino-(9Ci)
CAS No.	145061-31-0
Molecular Formula	C₁₀H₈ClNO₂S
Molecular Weight	241.69 g/mol
Synonyms	5-Amino-1-naphthalenesulfonyl chloride; 1-Naphthalenesulfonyl chloride, 5-amino-; 5-Amino-1-naphthalenesulphonyl chloride; 5-Amino-1-naphthalenesulfonic acid chloride; 5-Aminonaphthalene-1-sulfonyl chloride; 1-Naphthalenesulfonic acid, 5-amino-, chloride; 5-Amino-1-naphthalenesulfonylchloride
EINECS	Contact for details

Quality Control

Our 1-Naphthalenesulfonylchloride,5-Amino-(9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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 tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 1.0%
Heavy Metals	≤ 20 ppm

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