Description

Disodium 4-[(4-Amino-6-Chloro-1,3,5-Triazin-2-Yl)Amino]-2-[[4,5-Dihydro-3-Methyl-5-Oxo-1-(4-Sulphonatophenyl)-1H-Pyrazol-4-Yl]Azo]Benzenesulphonate is a high-purity, water-soluble reactive dye intermediate of significant commercial importance. Its molecular structure is engineered to provide excellent color fastness and reactivity, making it a critical precursor in the synthesis of high-performance dyes. This compound is essential for manufacturers in the textile, ink, and specialty coatings industries seeking to produce vibrant and durable colors.

Application

• Primary Intermediate for Reactive Dyes: Key building block for synthesizing high-quality reactive dyes used in cotton, wool, and nylon dyeing and printing.
• Textile Industry: Enables the production of dyes with superior wash and light fastness properties for the fashion and home furnishing sectors.
• Inkjet Inks: Used in the formulation of advanced pigment and dye-based inks for high-resolution digital printing.
• Specialty Coatings: Serves as a colorant intermediate in coatings requiring specific chromaticity and stability.
• Research & Development: A valuable compound for R&D laboratories developing new chromophores and functional dyes.
• Leather Coloring: Employed in the synthesis of dyes for the leather processing industry.
• Paper Coloring: Used in the manufacture of dyes for specialty paper products.

Basic Information

Product Name	Disodium 4-[(4-Amino-6-Chloro-1,3,5-Triazin-2-Yl)Amino]-2-[[4,5-Dihydro-3-Methyl-5-Oxo-1-(4-Sulphonatophenyl)-1H-Pyrazol-4-Yl]Azo]Benzenesulphonate
CAS No.	84100-05-0
Molecular Formula	C20H14ClN9Na2O7S2
Molecular Weight	646.0 g/mol (approx.)
Synonyms	Reactive Red 198 (Free Acid); C.I. Reactive Red 198; Disodium 5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-hydroxy-3-[[4-[(2-sulfophenyl)azo]phenyl]azo]naphthalene-2,7-disulfonate (related isomer); 84100-05-0; Benzenesulfonic acid, 4-[(4-amino-6-chloro-1,3,5-triazin-2-yl)amino]-2-[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl]azo]-, disodium salt; Triazine Azo Dye Intermediate; Reactive Dye Intermediate RR198.
EINECS	Contact for details

Quality Control

Our Disodium 4-[(4-Amino-6-Chloro-1,3,5-Triazin-2-Yl)Amino]-2-[[4,5-Dihydro-3-Methyl-5-Oxo-1-(4-Sulphonatophenyl)-1H-Pyrazol-4-Yl]Azo]Benzenesulphonate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistent purity, reactivity, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical specifications is provided with each shipment to guarantee compliance with your technical requirements.

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 hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Solubility (in Water)	Freely soluble
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%

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