Description

Trisodium hydrogen 4-[[5-[[4-chloro-6-[(4-sulphonatophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulphonatophenyl]azo]-4,5-dihydro-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate is a high-purity, water-soluble reactive dye intermediate of significant industrial importance. This compound is valued for its role in synthesizing brilliant and colorfast dyes, particularly reactive dyes used in textile coloration. It is an essential chemical for manufacturers in the textile, leather, and specialty pigments industries seeking to produce high-performance coloring agents.

Application

• Primary Intermediate for Reactive Dyes: Serves as a key building block in the synthesis of high-quality reactive dyes for cotton, viscose, and other cellulosic fibers.
• Textile Industry: Used in the production of dyes known for excellent wash-fastness, light-fastness, and bright shades.
• Leather Dyeing: Employed in the formulation of dyes for coloring leather goods with high penetration and uniformity.
• Specialty Pigments: Can be utilized in the creation of complex, high-value organic pigments for inks and coatings.
• Research & Development: Acts as a crucial reagent in chemical R&D for developing novel chromophores and dye structures.
• Paper Coloring: Potential application in the manufacture of dyes for specialty paper products.

Basic Information

Product Name	Trisodium hydrogen 4-[[5-[[4-chloro-6-[(4-sulphonatophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulphonatophenyl]azo]-4,5-dihydro-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate
CAS No.	70865-25-7
Molecular Formula	C29H16ClN10Na3O13S3
Molecular Weight	Contact for details
Synonyms	Reactive Dye Intermediate 70865-25-7; Trisodium 4-[[5-[[4-chloro-6-[(4-sulfonatophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfonatophenyl]azo]-4,5-dihydro-5-oxo-1-(4-sulfonatophenyl)-1H-pyrazole-3-carboxylate; CI Reactive Red 198 Intermediate; Tetrasodium (alternate salt form) derivative; Azo pyrazole triazine sulfonate; 1-(4-Sulfophenyl)-3-carboxy-4-(4-chloro-6-(4-sulfophenyl)amino-1,3,5-triazin-2-ylamino)-5-pyrazolone azo dye intermediate.
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 high purity, which is critical for downstream dye performance. Quality is verified through advanced analytical techniques including HPLC and spectrophotometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, 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); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Water Content	Max. 5.0%
Solubility (Water)	Freely soluble
Heavy Metals	Contact for details

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