Description

Trisodium 3-[[5-[(4,6-Dichloro-1,3,5-Triazin-2-Yl)Amino]-2-Sulphonatophenyl]Azo]-4-Hydroxynaphthalene-1,5-Disulphonate is a high-purity, water-soluble reactive dye intermediate of significant commercial importance. Its core value lies in its role as a key precursor for synthesizing brilliant and colorfast reactive dyes, particularly in the textile industry. This compound is essential for manufacturers and R&D facilities specializing in the production of dyes for cotton, wool, and other cellulose-based fibers, where it enables the creation of vibrant hues with excellent wash-fastness properties.

Application

• Primary Intermediate for Reactive Dyes: Serves as the critical chromophore component in the synthesis of high-performance reactive dyes for textile printing and dyeing.
• Textile Industry: Used in the coloration of natural fibers like cotton, linen, and wool, as well as some synthetic fibers, providing strong covalent bonds for superior colorfastness.
• Specialty Dye Manufacturing: Employed in the production of dyes for technical textiles, including automotive fabrics and outdoor materials requiring UV and weather resistance.
• Research & Development: A vital compound for chemical R&D labs developing new dye formulations, studying azo dye chemistry, and improving dyeing processes.
• Paper and Leather Dyeing: Finds application in niche markets for coloring paper pulp and leather goods where reactive dye technology is applied.
• Biomolecule Staining (Research Grade): Potential use in laboratory settings for staining biological samples, given its specific chromophoric structure.

Basic Information

Product Name	Trisodium 3-[[5-[(4,6-Dichloro-1,3,5-Triazin-2-Yl)Amino]-2-Sulphonatophenyl]Azo]-4-Hydroxynaphthalene-1,5-Disulphonate
CAS No.	85959-03-1
Molecular Formula	C19H9Cl2N6Na3O11S3
Molecular Weight	749.38 g/mol
Synonyms	Reactive Red 198 (Parent Dye); C.I. Reactive Red 198; Trisodium 5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-hydroxy-3-[(2-sulfophenyl)azo]-2,7-naphthalenedisulfonate; 2,7-Naphthalenedisulfonic acid, 5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-hydroxy-3-[(2-sulfophenyl)azo]-, trisodium salt; Reactive Dye Intermediate 85959-03-1; Triazine-based Azo Dye Intermediate
EINECS	Contact for details

Quality Control

Our production of Trisodium 3-[[5-[(4,6-Dichloro-1,3,5-Triazin-2-Yl)Amino]-2-Sulphonatophenyl]Azo]-4-Hydroxynaphthalene-1,5-Disulphonate adheres to stringent quality protocols to ensure batch-to-batch consistency and purity for industrial applications. Each lot is analyzed using advanced techniques like HPLC and spectrophotometry to confirm identity, strength, and impurity profiles. Certificates of Analysis (COA) detailing specific results for assay, related substances, and physical parameters are provided with every shipment. Our quality system is designed to meet the rigorous demands of dye manufacturers and is supported by GMP-compliant documentation practices.

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 each use to prevent absorption of atmospheric moisture, which can affect product performance and handling. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Solubility (1% in Water)	Complete, 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.