Description

Trisodium 3-[[4-[[[4-[[2-(acetylamino)-4-hydroxyphenyl]azo]phenyl]amino]carbonyl]phenyl]azo]-4-amino-5-hydroxy-6-[(4-sulphonatophenyl)azo]naphthalene-2,7-disulphonate is a high-purity, water-soluble azo dye intermediate of significant industrial importance. Its complex polyazo structure provides excellent chromophore properties, making it a critical precursor for synthesizing high-performance dyes and pigments. This compound is essential for manufacturers in the textile, ink, and specialty coatings industries seeking to produce vivid, stable colors with specific functional characteristics.

Application

• Primary Intermediate for Reactive Dyes: A key building block in the synthesis of high-quality reactive dyes for cotton, wool, and nylon fibers.
• Specialty Pigment Manufacturing: Used in the production of high-performance organic pigments for inks, plastics, and coatings.
• Functional Dye Synthesis: Serves as a precursor for dyes used in leather finishing, paper coloring, and other industrial applications.
• Research & Development: Utilized in chemical R&D for developing novel chromophores and studying azo dye chemistry.

Basic Information

Item	Detail
Product Name	Trisodium 3-[[4-[[[4-[[2-(acetylamino)-4-hydroxyphenyl]azo]phenyl]amino]carbonyl]phenyl]azo]-4-amino-5-hydroxy-6-[(4-sulphonatophenyl)azo]naphthalene-2,7-disulphonate
CAS No.	67461-03-4
Molecular Formula	C41H26N9Na3O14S3
Molecular Weight	Contact for details
Synonyms	Reactive Dye Intermediate 67461-03-4; Polyazo Dye Intermediate; Trisodium Salt of C.I. Reactive Dye Precursor; 3-[[4-[[[4-[[2-(Acetylamino)-4-hydroxyphenyl]azo]phenyl]amino]carbonyl]phenyl]azo]-4-amino-5-hydroxy-6-[(4-sulfonatophenyl)azo]naphthalene-2,7-disulfonate; Azo Dye Coupling Component; CAS 67461-03-4; Water-soluble Azo Compound; Sulfonated Azo Dye Intermediate
EINECS	Contact for details

Quality Control

Our trisodium azo dye intermediate is manufactured under strict process controls to ensure batch-to-batch consistency and high chemical purity. Quality is verified through comprehensive analytical methods including HPLC, UV-Vis spectroscopy, and titration. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents. The product is hygroscopic; ensure the container is sealed after each use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Solubility (in Water)	Clear 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.