Description

8-(2-Aminoethylamino)-1-Naphthalenesulfonic Acid is a specialized naphthalene derivative featuring both sulfonic acid and aminoethylamino functional groups, making it a versatile intermediate for advanced synthesis. This compound is valued for its ability to act as a coupling agent and a precursor for dyes, fluorescent probes, and complexing agents. It is primarily sought by manufacturers in the fine chemical, dye and pigment, and analytical reagent industries for research and production.

Application

• Dye and Pigment Intermediate: A key building block for synthesizing acid dyes, reactive dyes, and fluorescent dyes.
• Fluorescent Probe Synthesis: Used in the development of chemosensors and biological labeling agents due to its naphthalene fluorophore.
• Complexing Agent Precursor: Serves as a starting material for ligands used in metal ion chelation and catalysis.
• Pharmaceutical Intermediate: Employed in the research and synthesis of active pharmaceutical ingredients (APIs) with specific targeting properties.
• Analytical Reagent: Utilized in the formulation of reagents for chemical analysis and detection.
• Polymer Modification: Can be incorporated into polymers to introduce sulfonate and amine functionalities for enhanced properties.

Basic Information

Product Name	8-(2-Aminoethylamino)-1-Naphthalenesulfonic Acid
CAS No.	50402-57-8
Molecular Formula	C₁₂H₁₄N₂O₃S
Molecular Weight	266.32 g/mol
Synonyms	8-[(2-Aminoethyl)amino]-1-naphthalenesulfonic acid; 1-Naphthalenesulfonic acid, 8-[(2-aminoethyl)amino]-; N-(2-Aminoethyl)-8-amino-1-naphthalenesulfonic acid; 8-(2-Aminoethylamino)naphthalene-1-sulfonic acid; 8-Aminoethylamino-1-naphthalenesulfonic acid; AEDANS precursor; N-(2-Aminoethyl)-1,8-naphthalenediamine sulfonic acid
EINECS	Contact for details

Quality Control

Our 8-(2-Aminoethylamino)-1-Naphthalenesulfonic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Light yellow to brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Residue on Ignition	≤ 0.5%

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