Description

Trisodium 4-[[4-chloro-6-[[3-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]amino]-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-performance, water-soluble reactive dye intermediate of significant commercial importance. Its molecular architecture, featuring multiple sulphonate groups and a reactive triazine ring, provides excellent substantivity and covalent bonding potential with cellulosic fibers. This compound is essential for manufacturers requiring brilliant, wash-fast shades in textile dyeing and printing, particularly for cotton and other natural fibers. Its design ensures high fixation rates and minimal hydrolyzed dye waste in effluent streams.

Application

• Primary Intermediate for Reactive Dyes: Serves as a key building block in the synthesis of high-quality reactive dyes, especially brilliant reds and scarlets, for the textile industry.
• Textile Dyeing: Used in the exhaust and continuous dyeing processes for cotton, viscose, linen, and other cellulosic fabrics, providing excellent color yield and fastness properties.
• Textile Printing: Formulated into printing pastes for producing sharp, vibrant prints on cellulosic textiles with outstanding wash and rub fastness.
• Leather Coloring: Applied in the dyeing of leather to achieve deep, uniform, and fast colors.
• Paper Coloring: Employed for the tinting of specialty papers where high color strength and water-fastness are required.
• Research & Development: Utilized in chemical R&D laboratories for the development of new dye molecules and colorants with enhanced environmental or performance profiles.

Basic Information

Item	Details
Product Name	Trisodium 4-[[4-chloro-6-[[3-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]amino]-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.	84000-62-4
Molecular Formula	C34H24ClN10Na3O16S4
Molecular Weight	1083.33 g/mol (approx.)
Synonyms	Reactive Red 198 (C.I.); C.I. Reactive Red 198; Reactive Red 198; Trisodium 4-[[4-chloro-6-[(3-((2-sulfatoethyl)sulfonyl)phenyl)amino]-1,3,5-triazin-2-yl]amino]-2-[(4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl)diazenyl]benzenesulfonate; Benzenesulfonic acid, 4-[[4-chloro-6-[[3-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]amino]-1,3,5-triazin-2-yl]amino]-2-[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl]azo]-, trisodium salt
EINECS	Contact for details

Quality Control

Our production of this reactive dye intermediate adheres to stringent quality control protocols to ensure batch-to-batch consistency and performance reliability. Quality is verified through comprehensive analytical testing including HPLC for purity, spectrophotometry for color strength, and titration for active content. A Certificate of Analysis (COA) detailing purity, impurity profile, and physical specifications 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 room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 90% (as is)
Color Strength	100 ± 5% (vs. Standard)
Moisture Content	≤ 8.0%
Water Solubility	≥ 100 g/L (at 25°C)
pH (1% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 50 ppm

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