Description

Disodium 2,5-Dichloro-4-[4-[[5-[(4,6-Dichloro-1,3,5-Triazin-2-Yl)Amino]-2-Sulphonatophenyl]Azo]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonate is a high-purity, reactive dye intermediate belonging to the class of chlorotriazine-based azo compounds. This compound is critical for manufacturers requiring precise colorant synthesis and consistent batch-to-batch performance for demanding applications. It is primarily utilized by producers of reactive dyes and specialty pigments serving the textile, ink, and advanced materials industries.

Application

• Reactive Dye Synthesis: Serves as a key intermediate for manufacturing high-performance reactive dyes used in textile coloring, particularly for cotton and cellulose fibers.
• Specialty Pigment Production: Used in the synthesis of complex organic pigments for inks, coatings, and plastics requiring specific color fastness and stability.
• Functional Dye Manufacturing: A building block for dyes used in non-textile applications, such as laser dyes, optical data storage, and sensitizers.
• Research & Development: Employed in chemical R&D for developing novel chromophores and studying structure-property relationships in color chemistry.
• Fine Chemical Intermediates: Acts as a precursor for other sulfonated and chlorinated aromatic compounds in advanced organic synthesis.

Basic Information

Product Name	Disodium 2,5-Dichloro-4-[4-[[5-[(4,6-Dichloro-1,3,5-Triazin-2-Yl)Amino]-2-Sulphonatophenyl]Azo]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonate
CAS No.	5089-16-7
Molecular Formula	C26H15Cl4N8Na2O9S2
Molecular Weight	822.33 g/mol
Synonyms	Reactive Red 198 (Intermediate); C.I. Reactive Red 198; Disodium 5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-[2-[4-(2,5-dichloro-4-sulfonatophenyl)-3-methyl-5-oxo-1H-pyrazol-1-yl]diazenyl]-2-sulfobenzoate; 2,5-Dichloro-4-[4-[[5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-2-sulfophenyl]azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulfonic acid disodium salt; 5089-16-7; Benzenesulfonic acid, 2,5-dichloro-4-[4-[[5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-2-sulfophenyl]azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-, disodium salt
EINECS	Contact for details

Quality Control

Our production of Disodium 2,5-Dichloro-4-[4-[[5-[(4,6-Dichloro-1,3,5-Triazin-2-Yl)Amino]-2-Sulphonatophenyl]Azo]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonate adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure high purity and consistent chemical composition, meeting the precise requirements for dye intermediate synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment.

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 nature, the container must be kept sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Moisture Content (KF)	≤ 5.0%
Solubility (1% in Water)	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.