Description

4-[[5-[[4-[(2-carboxy-4-sulphophenyl)amino]-6-chloro-1,3,5-triazin-2-yl]amino]-2-sulphophenyl]azo]-4,5-dihydro-5-oxo-1-(4-sulphophenyl)-1H-pyrazole-3-carboxylic acid is a high-purity, complex azo dye intermediate engineered for demanding synthesis applications. This compound is valued for its precise molecular structure, which serves as a critical building block for producing high-performance dyes and pigments. It is essential for manufacturers in the textile, ink, and specialty chemical industries seeking consistent quality and reliable reactivity for their formulations.

Application

• Primary Intermediate for Reactive Dyes: A key precursor in the synthesis of high-quality, wash-fast reactive dyes for cotton and other cellulosic fibers.
• Specialty Pigment Manufacturing: Used in the production of complex organic pigments for inks, coatings, and plastics requiring specific color properties and stability.
• Textile Dyeing Processes: Integral to creating vibrant and durable colorants for the textile industry, particularly for shades requiring a red or bluish-red component.
• Research & Development: Serves as a valuable chemical entity in R&D laboratories for developing new chromophores and studying azo dye chemistry.
• Fine Chemical Synthesis: Employed as a sophisticated intermediate in the multi-step synthesis of other advanced organic compounds.

Basic Information

Product Name	4-[[5-[[4-[(2-carboxy-4-sulphophenyl)amino]-6-chloro-1,3,5-triazin-2-yl]amino]-2-sulphophenyl]azo]-4,5-dihydro-5-oxo-1-(4-sulphophenyl)-1H-pyrazole-3-carboxylic acid
CAS No.	62223-58-9
Molecular Formula	C26H16ClN9O13S3
Molecular Weight	826.10 g/mol
Synonyms	Reactive Red 198 (Free Acid); C.I. Reactive Red 198; 4,5-Dihydro-5-oxo-1-(4-sulfophenyl)-4-[[5-[[4-[(2-carboxy-4-sulfophenyl)amino]-6-chloro-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]azo]-1H-pyrazole-3-carboxylic acid; Reactive Red 198 Acid; 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[[5-[[4-[(2-carboxy-4-sulfophenyl)amino]-6-chloro-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]azo]-; C.I. 18221
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to rigorous quality testing protocols to ensure batch-to-batch consistency and high purity. Quality is verified through modern 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 a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark Red to Brown Powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	≥ 95.0%
Moisture (KF)	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (1% in Water)	Complete, clear solution

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