Description

3-Pyridinemethanesulfonic acid, 5-5-4-chloro-6-(4-sulfophenyl)amino-1,3,5-triazin-2-ylamino-2-sulfophenylazo-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-, potassium sodium salt is a high-purity, water-soluble azo dye intermediate with a complex, multi-functional structure. This compound is valued for its role as a key precursor in the synthesis of high-performance, reactive dyes and pigments, offering excellent color fastness and stability. It is primarily needed by manufacturers in the textile, ink, and specialty chemical industries for producing vibrant and durable colorants.

Application

• Primary Intermediate for Reactive Dyes: A critical building block in the manufacture of high-grade reactive dyes for cotton, wool, and nylon fibers.
• Specialty Pigment Synthesis: Used in the production of complex organic pigments for inks, coatings, and plastics requiring high color strength and weather resistance.
• Functional Dye Manufacturing: Serves as a precursor for dyes used in technical applications, such as laser marking and optical data storage.
• Research & Development: Employed in chemical R&D for developing novel chromophores and studying structure-property relationships in dye chemistry.
• Textile Printing: A key component in formulations for textile printing pastes, ensuring bright and wash-fast prints.

Basic Information

Item	Details
Product Name	3-Pyridinemethanesulfonic acid, 5-5-4-chloro-6-(4-sulfophenyl)amino-1,3,5-triazin-2-ylamino-2-sulfophenylazo-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-, potassium sodium salt
CAS No.	111850-26-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Reactive Dye Intermediate 111850-26-1; Potassium sodium salt of a pyridine-methanesulfonic acid azo triazine dye; C.I. Reactive Red 198 intermediate; Azo triazine dye derivative; 5-[(4-Chloro-6-[(4-sulfophenyl)amino]-1,3,5-triazin-2-yl)amino]-4-ethyl-2-hydroxy-4-methyl-6-oxo-3-[(2-sulfophenyl)azo]-1,6-dihydropyridine-3-methanesulfonic acid, potassium sodium salt; Textile dye precursor 111850-26-1
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and purity for sensitive synthesis processes. Quality is verified through advanced analytical techniques including HPLC and spectrophotometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

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 (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Heavy Metals	≤ 20 ppm
Solubility	Soluble in water

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