Description

2,7-Naphthalenedisulfonic acid, 4,4,4-nitrilotris2,1-ethanediylimino(6-chloro-1,3,5-triazine-4,2-diyl)iminotris5-hydroxy-6-(1-sulfo-2-naphthalenyl)azo-, lithium sodium salt is a high-performance, multi-sulfonated azo dye intermediate and functional chemical. This complex molecule is engineered to deliver exceptional color strength and binding properties, making it a critical component for advanced material synthesis. It is primarily utilized by manufacturers in the textile dyeing, specialty ink, and high-grade pigment industries seeking superior chromophore performance and stability.

Application

• Textile Dyeing: As a key intermediate for synthesizing high-washfastness and lightfastness reactive and direct dyes for cotton and polyamide fibers.
• Specialty Pigments: Used in the production of high-performance organic pigments for plastics, coatings, and inks requiring intense color and durability.
• Functional Dyes: Serves as a precursor for dyes used in laser printing, optical data storage, and other high-tech applications.
• Research & Development: A valuable building block in chemical research for developing novel chromophores and photoactive materials.
• Analytical Chemistry: Potential use as a staining agent or indicator in specific analytical methodologies.

Basic Information

Product Name	2,7-Naphthalenedisulfonic acid, 4,4,4-nitrilotris2,1-ethanediylimino(6-chloro-1,3,5-triazine-4,2-diyl)iminotris5-hydroxy-6-(1-sulfo-2-naphthalenyl)azo-, lithium sodium salt
CAS No.	193562-37-7
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Reactive Black 31; Reactive Black 31; Lithium sodium salt of a polyazo dye; Triazine-based polyazo dye; Multisulfonated naphthalene azo dye; 4,4',4''-Nitrilotris[2,1-ethanediylimino(6-chloro-1,3,5-triazine-4,2-diyl)imino]tris[5-hydroxy-6-[(1-sulfo-2-naphthalenyl)azo]-2,7-naphthalenedisulfonic acid], lithium 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 performance reliability. Every lot is analyzed to confirm critical parameters such as color strength, purity, and impurity profile. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to support your quality assurance and regulatory compliance 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). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark powder or solid
Identification (IR)	Conforms
Assay (HPLC)	Min. 90%
Moisture Content	Max. 5.0%
Ash Content	Contact for details
Solubility (in Water)	Soluble

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