Description

2-[[4-chloro-6-[[3-[[1-(2,5-dichloro-4-sulphophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-4-sulphophenyl]amino]-1,3,5-triazin-2-yl]amino]-5-sulphobenzoic acid is a high-performance, polyfunctional reactive dye intermediate of significant commercial importance. Its complex molecular structure, featuring multiple reactive chlorotriazine and sulphonic acid groups, makes it a critical precursor for synthesizing advanced, wash-fast dyes. This compound is essential for manufacturers requiring to produce vibrant, durable, and chemically stable coloring agents. Primary demand originates from the textile and specialty chemical industries seeking superior colorants for fibers like cotton and nylon.

Application

• Reactive Dye Synthesis: Primary use as a key intermediate for manufacturing high-quality reactive dyes, particularly for cellulose fibers (e.g., cotton, viscose).
• Textile Coloring: Production of dyes that form covalent bonds with fabric, resulting in excellent wash-fastness, light-fastness, and brilliant shades.
• Specialty Pigments: Used in the synthesis of complex organic pigments for inks, coatings, and plastics where high color strength and stability are required.
• Research & Development: Serves as a building block in chemical R&D for developing novel chromophores and functional dyes.
• Leather Dyeing: Intermediate for dyes used in the leather processing industry to achieve deep, permanent colors.
• Paper Coloring: Used in the production of dyes for specialty paper products requiring specific color properties.

Basic Information

Item	Details
Product Name	2-[[4-chloro-6-[[3-[[1-(2,5-dichloro-4-sulphophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-4-sulphophenyl]amino]-1,3,5-triazin-2-yl]amino]-5-sulphobenzoic acid
CAS No.	93858-80-1
Molecular Formula	C26H16Cl3N9O11S3
Molecular Weight	872.99 g/mol
Synonyms	Reactive Dye Intermediate 93858-80-1; Benzoic acid, 2-[[4-chloro-6-[[3-[[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-4-sulfophenyl]amino]-1,3,5-triazin-2-yl]amino]-5-sulfo-; CI Reactive Red 198 intermediate; Tetrasulfonated azo-triazine dye intermediate; Polyazo reactive 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 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, impurity profile, and physical specifications is provided with every shipment. Our quality management system is designed to meet the exacting standards of global chemical and textile manufacturers.

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). The product is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture. Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content (KF)	≤ 5.0%
Ash Content	≤ 1.0%
Water Solubility	Freely soluble
Heavy Metals (as Pb)	≤ 20 ppm

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