Description

Potassium Sodium 5-[[4-[[[4-[[6-[(4-Aminobenzoyl)Amino]-1-Hydroxy-3-Sulphonato-2-Naphthyl]Azo]Phenyl]Amino]Carbonyl]Phenyl]Azo]Salicylate is a high-purity, water-soluble azo dye intermediate of significant commercial importance. Its complex molecular structure, featuring multiple azo linkages and functional groups, makes it a critical precursor for synthesizing specialized dyes and pigments. This compound is essential for manufacturers in the textile, ink, and specialty coatings industries seeking to produce vivid and stable colorants.

Application

• Primary Intermediate for Azo Dyes: Serves as a key building block in the synthesis of high-performance, polyazo direct dyes and acid dyes for textiles like nylon, silk, and wool.
• Specialty Pigment Manufacturing: Used in the production of complex organic pigments for applications requiring high color strength and specific fastness properties.
• Inkjet Ink Formulations: Employed in the development of advanced colorants for industrial and commercial inkjet printing, contributing to color gamut and stability.
• Functional Dyes for Non-Textile Uses: Potential applications in the manufacture of dyes for paper, leather, and as colorants for various specialty chemical products.
• Research & Development: Utilized in chemical R&D for creating novel chromophores and studying structure-property relationships in dye chemistry.

Basic Information

Product Name	Potassium Sodium 5-[[4-[[[4-[[6-[(4-Aminobenzoyl)Amino]-1-Hydroxy-3-Sulphonato-2-Naphthyl]Azo]Phenyl]Amino]Carbonyl]Phenyl]Azo]Salicylate
CAS No.	83221-59-4
Molecular Formula	C47H30KN7NaO11S2
Molecular Weight	1002.16 g/mol
Synonyms	5-[[4-[[[4-[[6-[(4-Aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]phenyl]amino]carbonyl]phenyl]azo]salicylic acid, potassium sodium salt; CI 34200 (related); Azo dye intermediate 83221-59-4; Potassium Sodium Salt of Azo Salicylic Acid Derivative; Benzenesulfonic acid, 2-hydroxy-5-[[4-[[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]carbonyl]phenyl]azo]-, potassium sodium salt
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to stringent quality control protocols to ensure batch-to-batch consistency and purity. Each lot is analyzed using modern analytical techniques including HPLC and spectrophotometry. A comprehensive Certificate of Analysis (COA) detailing identity, assay, impurity profile, and physical specifications is provided with every shipment to support your quality assurance processes.

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 after opening to prevent moisture absorption, which can affect product stability and handling properties.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (Water)	Freely soluble

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