Description

3-[[2,5-Dimethoxy-4-[[2-(Sulphooxy)Ethyl]Sulphonyl]Phenyl]Azo]-4-Hydroxy-6-[(Sulphophenyl)Amino]Naphthalene-2-Sulphonic Acid, Potassium Sodium Salt is a high-purity, water-soluble anionic dye intermediate characterized by its complex poly-sulfonated azo structure. This compound is engineered for exceptional color strength and stability, making it a critical precursor in the synthesis of specialized dyes and pigments. It is primarily required by manufacturers in the textile, ink, and specialty coatings industries seeking to produce vivid, lightfast colors.

Application

• Primary Intermediate for Reactive Dyes: Key building block in the synthesis of high-performance reactive dyes for cotton and other cellulosic fibers.
• Specialty Ink Formulations: Used in the production of inks for digital textile printing, packaging, and security applications requiring specific chromatic properties.
• Industrial Pigment Synthesis: Serves as a precursor for creating complex organic pigments used in plastics, paints, and coatings.
• Research & Development: Utilized in chemical R&D for developing new chromophores and studying structure-property relationships in dye chemistry.
• Analytical Chemistry: Can be employed as a staining agent or a colored standard in various analytical techniques.

Basic Information

Item	Detail
Product Name	3-[[2,5-Dimethoxy-4-[[2-(Sulphooxy)Ethyl]Sulphonyl]Phenyl]Azo]-4-Hydroxy-6-[(Sulphophenyl)Amino]Naphthalene-2-Sulphonic Acid, Potassium Sodium Salt
CAS No.	85614-39-7
Molecular Formula	C26H23KN3NaO16S4 (Contact for exact stoichiometry)
Molecular Weight	Approx. 880 g/mol (Contact for exact value)
Synonyms	Reactive Dye Intermediate 85614-39-7; Potassium Sodium Salt of Azo Dye Sulfonic Acid; CI Reactive Red 198 Intermediate; 4-Hydroxy-3-[[4-[[2-(sulfooxy)ethyl]sulfonyl]-2,5-dimethoxyphenyl]azo]-6-[(4-sulfophenyl)amino]-2-naphthalenesulfonic acid, potassium sodium salt; Azo dye, sulfonated; Textile dye precursor; Poly-sulfonated azo compound; Water-soluble dye intermediate
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to stringent quality protocols to ensure batch-to-batch consistency and purity for downstream synthesis. Quality is verified through advanced analytical techniques including HPLC, UV-Vis spectroscopy, and titration methods. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical specifications is provided with every shipment to support your quality assurance and regulatory needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Moisture Content	Max. 5.0%
Solubility (in Water)	Clear solution
Heavy Metals (as Pb)	Max. 20 ppm
Sulfated Ash	Contact for details

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