Description

Sodium 2,5-Dichloro-4-[[5-Cyano-2,6-Bis[(2-Hydroxyethyl)Amino]-4-Methyl-3-Pyridyl]Azo]Benzenesulphonate is a high-purity, water-soluble azo dye intermediate of significant commercial importance. This compound is valued for its ability to impart vibrant and stable color properties in advanced material formulations. It is primarily sought by manufacturers in the textile, specialty ink, and polymer coloration industries for producing high-performance dyes and pigments.

Application

• Primary Intermediate for Reactive Dyes: Key building block for synthesizing high-quality reactive dyes used in cotton and cellulose fiber dyeing and printing.
• Specialty Ink Manufacturing: Used in the production of colorants for inkjet, packaging, and security inks requiring specific chromaticity and stability.
• Polymer and Plastic Coloration: Imparts color to engineering plastics, synthetic fibers, and other polymeric materials where heat and light fastness are critical.
• Research & Development: Serves as a precise chemical reagent in R&D laboratories for developing new chromophores and functional dyes.
• Paper and Leather Dyeing: Employed in the coloration of specialty papers and leather goods.

Basic Information

Product Name	Sodium 2,5-Dichloro-4-[[5-Cyano-2,6-Bis[(2-Hydroxyethyl)Amino]-4-Methyl-3-Pyridyl]Azo]Benzenesulphonate
CAS No.	73287-63-5
Molecular Formula	C19H18Cl2N6NaO5S
Molecular Weight	559.35 g/mol
Synonyms	2,5-Dichloro-4-((5-cyano-2,6-bis(2-hydroxyethyl)amino-4-methyl-3-pyridinyl)azo)benzenesulfonic acid sodium salt; C.I. Reactive Blue 198; Reactive Blue 198; Sodium 2,5-dichloro-4-((5-cyano-2,6-bis((2-hydroxyethyl)amino)-4-methyl-3-pyridinyl)azo)benzenesulfonate; 73287-63-5; Benzenesulfonic acid, 2,5-dichloro-4-[[5-cyano-2,6-bis[(2-hydroxyethyl)amino]-4-methyl-3-pyridinyl]azo]-, sodium salt
EINECS	Contact for details

Quality Control

Our production of Sodium 2,5-Dichloro-4-[[5-Cyano-2,6-Bis[(2-Hydroxyethyl)Amino]-4-Methyl-3-Pyridyl]Azo]Benzenesulphonate adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

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). Keep away from incompatible materials and sources of ignition. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Dark blue to violet powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Solubility (in Water)	Clear solution
Heavy Metals (as Pb)	≤ 20 ppm

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