Description

4-Amino-5-hydroxy-3-[[2-sulfo-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-2,7-naphthalenedisulfonic acid potassium sodium salt coupled with diazotized 2-amino-4-[[4-chloro-6-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]amino]-1,3,5-triazin-2-yl]amino]benzenesul is a high-purity, reactive dye intermediate of significant commercial importance. This compound is engineered to deliver exceptional color strength, wash-fastness, and chemical stability in demanding textile applications. It is primarily required by manufacturers in the textile dyeing and printing industries for producing high-quality, durable fabrics.

Application

• Reactive Dye Synthesis: A key intermediate for manufacturing high-performance reactive dyes for cotton, viscose, and other cellulosic fibers.
• Textile Dyeing: Used in exhaust and continuous dyeing processes to achieve vibrant, deep shades with excellent wet fastness properties.
• Textile Printing: Employed in the formulation of printing inks and pastes for textile printing applications.
• Specialty Colorants: Serves as a precursor for creating specialized colorants with specific functional properties.
• Research & Development: Utilized in chemical R&D for developing novel dye structures and studying azo dye chemistry.

Basic Information

Product Name	4-Amino-5-hydroxy-3-[[2-sulfo-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-2,7-naphthalenedisulfonic acid potassium sodium salt coupled with diazotized 2-amino-4-[[4-chloro-6-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]amino]-1,3,5-triazin-2-yl]amino]benzenesul
CAS No.	586372-44-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Reactive Dye Intermediate 586372-44-3; Azo Dye Intermediate; C.I. Reactive Dye Precursor; Potassium Sodium Salt of a Sulfonated Azo Dye; Vinylsulfone Reactive Dye Intermediate; Heterobifunctional Reactive Dye Intermediate; Triazinyl Azo Dye Intermediate; 586372-44-3 Dye Intermediate
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Every batch is analyzed to confirm identity, purity, and performance characteristics critical for reactive dye synthesis. Certificates of Analysis (COA) detailing batch-specific results are available upon request 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 product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture, which can affect performance.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 90% (Area %)
Moisture Content	≤ 5.0% (w/w)
Solubility (in Water)	Partially soluble to soluble

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