Description

2-Naphthalenesulfonic acid, 7,7-(2-methyl-1,5-pentanediyl)bisimino(6-fluoro-1,3,5-triazine-4,2-diyl)iminobis4-hydroxy-3-2-sulfo-4-(4-sulfophenyl)azophenylazo-, lithium potassium sodium salt is a high-performance, multi-sulfonated azo dye intermediate with a complex polycyclic structure. This compound is engineered to deliver exceptional color strength and stability, making it a critical component for demanding industrial coloration processes. It is primarily utilized by manufacturers in the textile, ink, and specialty polymer industries seeking advanced chromophores.

Application

• Textile Dyeing: As a key intermediate for synthesizing high-grade, wash-fast reactive and direct dyes for natural and synthetic fibers.
• Inkjet Inks: Provides vibrant colorants for industrial and commercial printing inks, offering excellent solubility and hue.
• Functional Polymers: Used in the production of colored engineering plastics and polymers where thermal stability is required.
• Paper Coloring: Employed in the manufacture of specialty colored papers and coatings.
• Liquid Crystal Display (LCD) Color Filters: Serves as a precision colorant in electronic display applications.
• Biological Staining: Potential use as a stain or marker in histological applications due to its strong chromophoric properties.

Basic Information

Product Name	2-Naphthalenesulfonic acid, 7,7-(2-methyl-1,5-pentanediyl)bisimino(6-fluoro-1,3,5-triazine-4,2-diyl)iminobis4-hydroxy-3-2-sulfo-4-(4-sulfophenyl)azophenylazo-, lithium potassium sodium salt
CAS No.	149850-34-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Reactive Black 39; Reactive Black 39; Triazinyl Azo Dye Intermediate; Lithium Potassium Sodium salt of Poly-sulfonated Azo Dye; 7,7'-(2-Methyl-1,5-pentanediyl)bis[imino[6-fluoro-4-hydroxy-3-[[2-sulfo-4-[(4-sulfophenyl)azo]phenyl]azo]-1,3,5-triazine-2,4-diyl]imino]]bis[4-hydroxy-3-[[2-sulfo-4-[(4-sulfophenyl)azo]phenyl]azo]-2-naphthalenesulfonic acid] lithium potassium sodium salt; Multifunctional Azo Chromophore
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to rigorous quality control protocols to ensure batch-to-batch consistency and performance. Quality is verified through analytical methods including HPLC, UV-Vis spectroscopy, and titration to confirm purity, color strength, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

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); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Color Strength	100% ± 3% (vs. Standard)
Moisture Content	Max. 5.0%
Ash Content	Contact for details
Solubility (in Water)	Freely soluble

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