Description

4-[[4-[(4-Chloro-6-Phenyl-1,3,5-Triazin-2-Yl)Amino]-2-Sulphophenyl]Azo]-4,5-Dihydro-5-Oxo-1-(4-Sulphophenyl)-1H-Pyrazole-3-Carboxylic Acid, Sodium Salt is a high-purity, water-soluble anionic dye intermediate of significant commercial importance. Its complex molecular structure, featuring a triazine ring, azo linkage, and multiple sulphonate groups, provides excellent substantivity and chromophoric properties for demanding applications. This compound is primarily sought by manufacturers in the textile and specialty chemical industries for the synthesis of high-performance dyes and pigments.

Application

• Primary Intermediate for Reactive Dyes: A key building block in the synthesis of high-quality reactive dyes for cotton, viscose, and other cellulosic fibers, offering brilliant shades and excellent wash-fastness.
• Specialty Pigment Manufacturing: Used in the production of complex organic pigments for inks, coatings, and plastics where high color strength and stability are required.
• Functional Dye Synthesis: Serves as a precursor for dyes used in technical applications, including paper coloration and leather dyeing.
• Research & Development: Employed in chemical R&D for developing novel chromophores and studying structure-property relationships in dye chemistry.

Basic Information

Product Name	4-[[4-[(4-Chloro-6-Phenyl-1,3,5-Triazin-2-Yl)Amino]-2-Sulphophenyl]Azo]-4,5-Dihydro-5-Oxo-1-(4-Sulphophenyl)-1H-Pyrazole-3-Carboxylic Acid, Sodium Salt
CAS No.	85631-76-1
Molecular Formula	C25H15ClN8Na2O9S2
Molecular Weight	716.99 g/mol
Synonyms	Reactive Dye Intermediate 85631-76-1; Sodium 4-[[4-[(4-chloro-6-phenyl-1,3,5-triazin-2-yl)amino]-2-sulfophenyl]azo]-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylate; C.I. Reactive Orange 107 Intermediate; Triazine-based Azo Dye Intermediate; 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-4-[[4-[(4,6-diphenyl-1,3,5-triazin-2-yl)amino]-2-sulfophenyl]azo]-1-(4-sulfophenyl)-, sodium salt (related isomer); Anionic pyrazole-triazine azo compound
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity. Quality is verified through modern analytical techniques including HPLC, UV-Vis spectroscopy, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each 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 a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which can affect product performance and handling.

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content (KF)	≤ 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.