Description

Sodium (1.0-1.95)/lithium (0.05-1) 5-((5-((5-chloro-6-fluoro-pyrimidin-4-yl)amino)-2-sulfonatophenyl)azo)-1,2-dihydro-6-hydroxy-1,4-dimethyl-2-oxo-3-pyridinemethylsulfonate is a high-purity, water-soluble azo dye intermediate with a complex heterocyclic structure. This compound is engineered for precision and stability in demanding synthesis processes, offering reliable performance for advanced colorant production. It is a critical component for manufacturers in the textile, specialty ink, and high-performance pigment industries seeking consistent quality and batch-to-batch uniformity.

Application

• Primary Intermediate for Reactive Dyes: Synthesis of high-value, fiber-reactive dyes for cotton and other cellulosic textiles.
• Specialty Pigment Manufacturing: Key precursor in the production of complex organic pigments for inks, coatings, and plastics.
• Functional Dye Synthesis: Building block for dyes used in digital textile printing and other advanced coloration technologies.
• Research & Development: Serves as a standard or starting material in chemical R&D for novel chromophores and functional materials.
• Analytical Chemistry: Potential use as a reagent or standard in chromatographic analysis and method development.

Basic Information

Product Name	Sodium (1.0-1.95)/lithium (0.05-1) 5-((5-((5-chloro-6-fluoro-pyrimidin-4-yl)amino)-2-sulfonatophenyl)azo)-1,2-dihydro-6-hydroxy-1,4-dimethyl-2-oxo-3-pyridinemethylsulfonate
CAS No.	134595-59-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	5-((5-((5-Chloro-6-fluoropyrimidin-4-yl)amino)-2-sulfophenyl)azo)-1,2-dihydro-6-hydroxy-1,4-dimethyl-2-oxo-3-pyridinecarboxylic acid, sulfonated sodium/lithium salt; Azo dye intermediate 134595-59-8; Reactive dye intermediate; C.I. Reactive Red 198 intermediate (related); Sodium/Lithium salt of a pyridone azo dye; Sulfonated heterocyclic azo compound; (5-Chloro-6-fluoro-4-pyrimidinyl)azo dye derivative.
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management systems to ensure purity and consistency for critical synthesis applications. Every batch is analyzed using modern analytical techniques including HPLC and spectroscopic methods. A comprehensive Certificate of Analysis (COA) detailing identity, assay, impurity profile, and physical specifications is provided with each shipment to support your quality assurance protocols.

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 material is hygroscopic (moisture-sensitive). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark red to brown powder or solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	Min. 95.0%
Water Content	Max. 5.0%
Solubility (in Water)	Clear solution at 1%
Heavy Metals (as Pb)	Max. 20 ppm
Related Substances (HPLC)	Total impurities: Max. 3.0% Any single impurity: Max. 1.0%

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