Description

4-Amino-6-[[5-[(4-Amino-6-Chloro-1,3,5-Triazin-2-Yl)Amino]-2-Sulphophenyl]Azo]-3-[(2,5-Disulphophenyl)Azo]-5-Hydroxynaphthalene-2,7-Disulphonic Acid is a high-purity, polyfunctional reactive dye intermediate of significant commercial importance. Its complex molecular structure, featuring multiple azo linkages, triazine rings, and sulphonic acid groups, makes it a critical precursor for synthesizing advanced, high-performance dyes and pigments. This compound is essential for manufacturers in the textile, ink, and specialty chemical industries seeking to produce dyes with superior color fastness, brightness, and application versatility.

Application

• Primary Intermediate for Reactive Dyes: Serves as a key building block in the synthesis of high-grade reactive dyes for cotton, wool, and nylon fibers.
• Textile Colorant Production: Used to manufacture dyes offering excellent wash-fastness, light-fastness, and brilliant shades, particularly in red and blue color ranges.
• Specialty Ink Formulations: Employed in the production of pigments for high-quality inks used in packaging, security printing, and digital textiles.
• Functional Dye Synthesis: A precursor for dyes used in biological staining, laser applications, and as functional materials in optoelectronics.
• Research & Development: Utilized in chemical R&D for creating novel chromophores and studying structure-property relationships in dye chemistry.

Basic Information

Product Name	4-Amino-6-[[5-[(4-Amino-6-Chloro-1,3,5-Triazin-2-Yl)Amino]-2-Sulphophenyl]Azo]-3-[(2,5-Disulphophenyl)Azo]-5-Hydroxynaphthalene-2,7-Disulphonic Acid
CAS No.	69571-16-0
Molecular Formula	C26H18ClN11O14S4
Molecular Weight	912.70 g/mol
Synonyms	Reactive Dye Intermediate 69571-16-0; C.I. Reactive Red 198 Intermediate; Polyazo Reactive Dye Intermediate; 4-Amino-6-{[5-[(4-amino-6-chloro-1,3,5-triazin-2-yl)amino]-2-sulfophenyl]diazenyl}-3-[(2,5-disulfophenyl)diazenyl]-5-hydroxynaphthalene-2,7-disulfonic acid; Trisulfonated Bisazo Triazine Dye Intermediate; CAS 69571-16-0; Textile Dye Precursor
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to stringent quality control protocols to ensure batch-to-batch consistency and high chemical purity. Quality is verified through advanced analytical techniques including HPLC, UV-Vis spectroscopy, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (HPLC/UV)	Conforms to reference standard
Assay (HPLC)	Min. 95%
Moisture Content (KF)	Max. 5.0%
Heavy Metals (as Pb)	Max. 20 ppm
Solubility (in Water)	Partially soluble to soluble

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