Description

n-(Aminoethyl)-8-Naphthylamine-1-Sulfonic Acid, Sodium Salt is a specialized organic intermediate featuring a naphthalene core functionalized with both aminoethyl and sulfonic acid groups. This compound matters for its role as a key building block in the synthesis of advanced dyes, pigments, and functional materials, offering unique chromophoric and complexing properties. Industries such as specialty chemical manufacturing, dye and pigment production, and research institutions developing optical materials are the primary users of this high-value intermediate.

Application

• Dye and Pigment Intermediate: A crucial precursor in the synthesis of acid dyes, reactive dyes, and naphthol AS-series azoic coupling components for textiles and inks.
• Functional Material Synthesis: Used in the production of optical brighteners, fluorescent whitening agents, and light-sensitive materials.
• Chemical Research & Development: Serves as a versatile building block for novel organic compounds in academic and industrial R&D labs.
• Complexing Agent Precursor: The structure allows for modification into chelating agents for metal ion sequestration or catalysis.
• Pharmaceutical Intermediate: Potential use in the synthesis of certain pharmacologically active molecules containing naphthalene sulfonate moieties.

Basic Information

Product Name	n-(Aminoethyl)-8-Naphthylamine-1-Sulfonic Acid, Sodium Salt
CAS No.	185503-88-2
Molecular Formula	C₁₂H₁₃N₂NaO₃S
Molecular Weight	300.30 g/mol
Synonyms	8-[(2-Aminoethyl)amino]-1-naphthalenesulfonic acid sodium salt; 1-Naphthalenesulfonic acid, 8-[(2-aminoethyl)amino]-, sodium salt; Sodium 8-[(2-aminoethyl)amino]naphthalene-1-sulfonate; N-(2-Aminoethyl)-8-naphthylamine-1-sulfonic acid sodium salt; Aminoethyl J-acid sodium salt; J-acid aminoethyl derivative sodium salt
EINECS	Contact for details

Quality Control

Our n-(Aminoethyl)-8-Naphthylamine-1-Sulfonic Acid, Sodium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and consistent batch-to-batch reliability. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

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 after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Light yellow to brown powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Heavy Metals	≤ 20 ppm
Solubility	Soluble in water

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