Description

4-[[5-[(4,6-Dichloro-1,3,5-Triazin-2-Yl)Amino]-2-Sulphophenyl]Azo]-4,5-Dihydro-1-(2-Methyl-4-Sulphophenyl)-5-Oxo-1H-Pyrazole-3-Carboxylic Acid, Sodium Salt is a high-purity, reactive dye intermediate essential for the synthesis of advanced colorants. Its molecular structure, featuring a reactive dichlorotriazine group and azo linkages, provides exceptional color strength and covalent bonding capabilities to substrates. This compound is primarily required by manufacturers in the textile, leather, and specialty ink industries seeking to produce vibrant, wash-fast dyes and pigments.

Application

• Reactive Dye Synthesis: A key intermediate for manufacturing high-performance reactive dyes used in cotton, wool, and nylon dyeing.
• Textile Printing: Used in the formulation of printing inks for textiles, providing excellent sharpness and color yield.
• Leather Coloring: Employed in the production of dyes for leather finishing, offering good penetration and lightfastness.
• Paper Dyeing: Suitable for the coloration of specialty papers where high color intensity is required.
• Inkjet Inks: A component in the synthesis of pigments for industrial and textile inkjet printing.
• Research & Development: Serves as a building block in chemical research for developing new chromophores and functional dyes.

Basic Information

Product Name	4-[[5-[(4,6-Dichloro-1,3,5-Triazin-2-Yl)Amino]-2-Sulphophenyl]Azo]-4,5-Dihydro-1-(2-Methyl-4-Sulphophenyl)-5-Oxo-1H-Pyrazole-3-Carboxylic Acid, Sodium Salt
CAS No.	85959-12-2
Molecular Formula	C21H12Cl2N8O8S2Na2
Molecular Weight	709.39 g/mol
Synonyms	Reactive Red 198 (Parent Dye Acid); Sodium 4-[[5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-2-sulfophenyl]azo]-4,5-dihydro-1-(2-methyl-4-sulfophenyl)-5-oxo-1H-pyrazole-3-carboxylate; C.I. Reactive Red 198 intermediate; 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-4-[[5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-2-sulfophenyl]azo]-1-(2-methyl-4-sulfophenyl)-, sodium salt; Reactive Dye Intermediate 85959-12-2; Dichlorotriazine Azo Pyrazole Dye; 85959-12-2 (CAS)
EINECS	Contact for details

Quality Control

Our production of this reactive dye intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and high purity. Quality is verified through advanced analytical techniques including HPLC, UV-Vis spectroscopy, and titration methods. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to support your quality assurance and regulatory 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). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Water Solubility	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.