Description

Sodium 6-Amino-4-Hydroxynaphthalene-2-Sulphonate is a high-purity, water-soluble naphthalene derivative that serves as a critical intermediate in the synthesis of dyes and pigments. Its value lies in its dual functional groups, which allow for versatile chemical modifications to produce vibrant and stable colorants. This compound is essential for manufacturers in the dye and pigment industry, as well as for research institutions developing advanced organic materials and specialty chemicals.

Application

• Primary Intermediate for Azo Dyes: A key building block in the synthesis of acid, direct, and reactive azo dyes, contributing to color strength and fastness properties.
• Pigment Manufacturing: Used in the production of high-performance organic pigments for inks, plastics, and coatings.
• Research & Development: Serves as a versatile synthon in organic chemistry research for creating novel chromophores and functional molecules.
• Textile Dyeing: An intermediate in dyes applied to natural and synthetic fibers like wool, silk, and nylon.
• Specialty Chemical Synthesis: Employed in the manufacture of other fine chemicals, including optical brighteners and pharmaceutical intermediates.

Basic Information

Product Name	Sodium 6-Amino-4-Hydroxynaphthalene-2-Sulphonate
CAS No.	16781-08-1
Molecular Formula	C10H8NNaO4S
Molecular Weight	261.23 g/mol
Synonyms	6-Amino-4-hydroxy-2-naphthalenesulfonic acid sodium salt; 4-Amino-6-hydroxy-2-naphthalenesulfonic acid sodium salt; 1-Amino-2-naphthol-6-sulfonic acid sodium salt; Sodium 6-amino-4-hydroxynaphthalene-2-sulfonate; 6-Amino-4-hydroxynaphthalene-2-sulfonic acid sodium salt; 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-, monosodium salt
EINECS	240-826-6

Quality Control

Our Sodium 6-Amino-4-Hydroxynaphthalene-2-Sulphonate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee batch-to-batch consistency and support your quality assurance protocols.

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). Keep away from strong oxidizing agents. The material is light-sensitive; prolonged exposure to light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Light brown to gray powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear, complete solution

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