Description

Trisodium 7-Aminonaphthalene-1,3,6-Trisulphonate is a high-purity, water-soluble aromatic intermediate essential for the synthesis of advanced colorants and functional materials. Its value lies in its role as a key building block for creating vivid, stable dyes and pigments, particularly in the production of acid and reactive dyes. This compound is critically needed by manufacturers in the textile, leather, ink, and specialty chemical industries seeking to develop high-performance coloring agents.

Application

• Primary Intermediate for Dyes & Pigments: A crucial precursor in the synthesis of acid dyes, reactive dyes, and direct dyes for textiles (cotton, wool, silk) and leather.
• Fluorescent Whitening Agents (FWAs): Used in the manufacture of optical brighteners for paper, detergents, and textiles.
• Specialty Chemical Synthesis: Serves as a building block for creating functional dyes used in biological staining, laser dyes, and security inks.
• Research & Development: Employed in academic and industrial R&D for developing novel chromophores and photoactive materials.
• Analytical Reagents: Can be utilized as a standard or reagent in analytical chemistry applications.

Basic Information

Product Name	Trisodium 7-Aminonaphthalene-1,3,6-Trisulphonate
CAS No.	54914-98-6
Molecular Formula	C10H6NNa3O9S3
Molecular Weight	473.30 g/mol
Synonyms	7-Amino-1,3,6-naphthalenetrisulfonic acid trisodium salt; Aminonaphthalene trisulfonic acid sodium salt; 1,3,6-Naphthalenetrisulfonic acid, 7-amino-, trisodium salt; 7-Amino-1,3,6-naphthalene trisulfonate trisodium; Acid Black 1 intermediate; Trisodium 7-aminonaphthalene-1,3,6-trisulfonate; Naphthalene trisulfonate derivative; H-acid trisodium salt (related).
EINECS	Contact for details

Quality Control

Our Trisodium 7-Aminonaphthalene-1,3,6-Trisulphonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of industrial dye synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee supply reliability and product traceability.

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 (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Light beige to grayish powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Solubility (in Water)	Clear, complete solution
Heavy Metals (as Pb)	≤ 20 ppm

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