Description

4-[4-Chloro-6-(4-sulfoanilino)-1,3,5-triazin-2-ylamino]-2-(1-ethyl-2-hydroxy-4-methyl-6-oxo-5-sulfomethyl-1,6-dihydropyridin-3-ylazo)benzenesulfonic acid trisodium salt is a high-purity, water-soluble reactive dye intermediate and specialty chemical. It matters for its role in synthesizing high-performance dyes and pigments, offering excellent color fastness and stability in demanding applications. This compound is essential for manufacturers in the textile, ink, and specialty coatings industries who require precise and reliable chemical building blocks.

Application

• Reactive Dye Synthesis: A key intermediate for manufacturing high-quality reactive dyes used in textile coloring, particularly for cotton and cellulose fibers.
• Specialty Pigment Production: Used in the synthesis of complex organic pigments for inks, paints, and coatings requiring specific hue and durability.
• Functional Dye Manufacturing: Serves as a precursor for dyes used in technical applications, such as laser dyes or sensitizers.
• Research & Development: A valuable compound for chemical R&D in organic synthesis, dye chemistry, and material science.
• Analytical Chemistry: May be employed as a standard or reagent in specific chromatographic or spectroscopic methods.

Basic Information

Product Name	4-[4-Chloro-6-(4-sulfoanilino)-1,3,5-triazin-2-ylamino]-2-(1-ethyl-2-hydroxy-4-methyl-6-oxo-5-sulfomethyl-1,6-dihydropyridin-3-ylazo)benzenesulfonic acid trisodium salt
CAS No.	106359-90-4
Molecular Formula	C24H20ClN8Na3O11S3
Molecular Weight	837.07 g/mol
Synonyms	Reactive Black 5 Intermediate; Trisodium 4-[4-chloro-6-(4-sulfoanilino)-1,3,5-triazin-2-ylamino]-2-[1-ethyl-2-hydroxy-4-methyl-6-oxo-5-(sulfomethyl)-1,6-dihydropyridin-3-ylazo]benzenesulfonate; C.I. Reactive Black 5 related intermediate; Azo-triazine dye intermediate; 106359-90-4; Benzenesulfonic acid, 4-[4-chloro-6-[(4-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-[1-ethyl-2-hydroxy-4-methyl-6-oxo-5-[(sulfomethyl)-1,6-dihydro-3-pyridinyl]azo]-, trisodium salt
EINECS	Contact for details

Quality Control

Our production of this specialty chemical adheres to strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and reliability for your synthesis processes. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles 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 a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

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

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