Description

2,7-Naphthalenedisulfonic acid, 5-4-chloro-6-4-4-chloro-6-8-hydroxy-3,6-disulfo-7-(2-sulfophenyl)azo-1-naphthalenylamino-1,3,5-triazin-2-ylaminophenylmethylamino-1,3,5-triazin-2-ylamino-4-hydroxy-3-(2-sulfophenyl)azo-, potassium sodium salt is a complex, high-purity azo dye intermediate and functional chemical. This compound is valued for its precise chromophoric structure and ability to impart specific color and functional properties in advanced material formulations. It is primarily required by manufacturers in the specialty dyes and pigments, textile processing, and advanced material research sectors for developing high-performance colorants.

Application

• Specialty Dye Synthesis: A key intermediate for producing high-value, complex azo dyes with specific shade and fastness properties.
• Textile Colorants: Used in the formulation of dyes for synthetic fibers, requiring excellent wash and light fastness.
• Functional Pigments: Serves as a precursor for pigments used in inks, coatings, and plastics where color stability is critical.
• Research & Development: Employed in chemical research for developing new chromophores and studying structure-property relationships in color chemistry.
• Analytical Reagents: Potential use as a staining agent or colorimetric indicator in specialized laboratory applications.

Basic Information

Item	Details
Product Name	2,7-Naphthalenedisulfonic acid, 5-4-chloro-6-4-4-chloro-6-8-hydroxy-3,6-disulfo-7-(2-sulfophenyl)azo-1-naphthalenylamino-1,3,5-triazin-2-ylaminophenylmethylamino-1,3,5-triazin-2-ylamino-4-hydroxy-3-(2-sulfophenyl)azo-, potassium sodium salt
CAS No.	118578-11-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Potassium sodium salt of a complex azo dye intermediate; C.I. Reactive Black 5 related intermediate; Tetrasulfonated azo-triazine dye precursor; 5-[(4-Chloro-6-[[4-[(4-chloro-6-[[8-hydroxy-3,6-disulfo-7-[(2-sulfophenyl)azo]-1-naphthyl]amino]-1,3,5-triazin-2-yl]amino]phenyl]methylamino]-1,3,5-triazin-2-yl)amino]-4-hydroxy-3-[(2-sulfophenyl)azo]-2,7-naphthalenedisulfonic acid potassium sodium salt; Reactive dye intermediate; Poly-sulfonated azo compound; Multi-functional chromophore.
EINECS	Contact for details

Quality Control

Our production of this specialty 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 Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each 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 tightly sealed after opening to prevent degradation from atmospheric moisture.

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)	Completely soluble
Heavy Metals	Max. 20 ppm

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