Description

5-Dipropylamino-Naphthalene-1-Sulfonyl Chloride is a specialized chemical intermediate belonging to the class of sulfonyl chlorides and dansyl derivatives. This compound is valued for its role as a key building block in the synthesis of fluorescent probes, dyes, and other functional materials. It is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for developing diagnostic reagents and light-sensitive applications.

Application

• Fluorescent Probe Synthesis: Acts as a critical precursor for dansyl chloride derivatives used in labeling biomolecules (proteins, amino acids) for fluorescence spectroscopy and microscopy.
• Dye and Pigment Intermediate: Employed in the manufacture of specialized dyes and colorants with specific light-absorption properties.
• Pharmaceutical Research: Used in the development of active pharmaceutical ingredients (APIs) and diagnostic agents that require sulfonamide or fluorescent tagging.
• Agrochemical Development: Serves as an intermediate in creating novel pesticides or herbicides with targeted activity.
• Material Science: Utilized in the synthesis of polymers or organic electronic materials that incorporate sulfonyl or amino-naphthalene functional groups.
• Analytical Chemistry: Functions as a derivatization agent in HPLC and other chromatographic methods to enhance the detection of amines and other compounds.

Basic Information

Item	Details
Product Name	5-Dipropylamino-Naphthalene-1-Sulfonyl Chloride
CAS No.	680185-49-3
Molecular Formula	C₁₆H₂₂ClNO₂S
Molecular Weight	327.87 g/mol
Synonyms	5-(Dipropylamino)naphthalene-1-sulfonyl chloride; 1-Dansyl chloride, N,N-dipropyl-; N,N-Dipropyl-5-dimethylaminonaphthalene-1-sulfonamide chloride; Dansyl chloride, dipropyl-; 1-Sulfonylchloride-5-(dipropylamino)naphthalene; 680185-49-3; 5-(N,N-Dipropylamino)naphthalene-1-sulfonyl chloride
EINECS	Contact for details

Quality Control

Our 5-Dipropylamino-Naphthalene-1-Sulfonyl Chloride is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment and is available upon request.

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 degradation. Keep away from strong acids and incompatible materials.

Specification

Item	Specification
Appearance	Light yellow to yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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