Description

Tetrasodium 5-[[3-[(5-Chloro-2,6-Difluoropyrimidin-4-Yl)Amino]Benzoyl]Amino]-3-[(2,5-Disulphonatophenyl)Azo]-4-Hydroxynaphthalene-2,7-Disulphonate is a high-purity, water-soluble reactive dye intermediate of significant industrial importance. Its complex molecular structure, featuring a reactive pyrimidine group and multiple sulphonate moieties, makes it a critical precursor for synthesizing high-performance, wash-fast dyes. This compound is essential for manufacturers in the textile and specialty chemical industries seeking to produce vibrant, durable colorants for natural and synthetic fibers.

Application

• Primary Intermediate for Reactive Dyes: Key building block for manufacturing high-quality reactive dyes used in cotton, viscose, and other cellulosic fiber dyeing and printing.
• Textile Colorant Synthesis: Used to produce dyes with excellent wash, light, and perspiration fastness properties for the textile industry.
• Specialty Pigment Manufacturing: Serves as a precursor in the synthesis of certain high-value, complex organic pigments.
• Research & Development: Utilized in chemical R&D labs for developing novel chromophores and studying azo dye chemistry and reactivity.
• Functional Dye Production: Potential intermediate for dyes used in technical applications, such as ink-jet inks or functional coatings.

Basic Information

Product Name	Tetrasodium 5-[[3-[(5-Chloro-2,6-Difluoropyrimidin-4-Yl)Amino]Benzoyl]Amino]-3-[(2,5-Disulphonatophenyl)Azo]-4-Hydroxynaphthalene-2,7-Disulphonate
CAS No.	72139-13-0
Molecular Formula	C33H18ClF2N7Na4O14S4
Molecular Weight	Contact for details
Synonyms	5-[[3-[(5-Chloro-2,6-difluoropyrimidin-4-yl)amino]benzoyl]amino]-3-[(2,5-disulphonatophenyl)azo]-4-hydroxynaphthalene-2,7-disulphonic acid, tetrasodium salt; Reactive Dye Intermediate 72139-13-0; Tetrasodium 3-[(2,5-disulfophenyl)azo]-5-[[3-[(5-chloro-2,6-difluoro-4-pyrimidinyl)amino]benzoyl]amino]-4-hydroxy-2,7-naphthalenedisulfonate; Azo dye intermediate CAS 72139-13-0; CI Reactive Red 198 intermediate (related); Pyrimidine-based reactive dye precursor.
EINECS	Contact for details

Quality Control

Our production of Tetrasodium 5-[[3-[(5-Chloro-2,6-Difluoropyrimidin-4-Yl)Amino]Benzoyl]Amino]-3-[(2,5-Disulphonatophenyl)Azo]-4-Hydroxynaphthalene-2,7-Disulphonate adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet precise customer specifications. Certificates of Analysis (COA) detailing batch-specific results are provided to guarantee traceability and compliance with your quality standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container 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 (in Water)	Freely soluble
Heavy Metals (as Pb)	Max. 20 ppm

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