Description

1,3,6-Naphthalenetrisulfonic acid, 7-[[2-[(aminocarbonyl)amino]-4-[[4-chloro-6-[[5-[[4-chloro-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]amino]-1,3,5-triazin-2-yl]amino]phenyl]azo]-, pentasodium salt is a high-purity, complex anionic dye intermediate and functional chemical. This compound is valued for its excellent chromophore properties and reactivity, making it a critical building block for advanced colorants. It is primarily used by manufacturers in the textile, ink, and specialty polymer industries seeking to produce high-performance dyes and functional materials.

Application

• Reactive Dye Synthesis: A key intermediate for manufacturing high-grade, wash-fast reactive dyes for cotton and cellulose fibers.
• Textile Printing Inks: Used in the formulation of specialized inks for digital and screen printing on textiles, providing vibrant and durable colors.
• Functional Polymer Additive: Imparts specific ionic or chromic properties to polymers for specialized applications.
• Paper Coloring: Employed in the production of high-quality colorants for specialty papers and coatings.
• Laser Marking and Imaging: Potential use in compositions for laser-sensitive coatings and imaging materials.
• Research & Development: Serves as a precise chemical reagent in R&D for novel chromophores and dye chemistry.

Basic Information

Product Name	1,3,6-Naphthalenetrisulfonic acid, 7-[[2-[(aminocarbonyl)amino]-4-[[4-chloro-6-[[5-[[4-chloro-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]amino]-1,3,5-triazin-2-yl]amino]phenyl]azo]-, pentasodium salt
CAS No.	34759-29-0
Molecular Formula	C34H18Cl2N14Na5O16S5 (or related) *Contact for details
Molecular Weight	Contact for details
Synonyms	Pentasodium 7-[[2-(carbamoylamino)-4-[[4-chloro-6-[[5-[[4-chloro-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]amino]-1,3,5-triazin-2-yl]amino]phenyl]azo]-1,3,6-naphthalenetrisulphonate; Reactive Dye Intermediate; CI Reactive Black 5 related intermediate; Azo trisulfonated naphthalene derivative; Tetrasodium/Trisodium salt variants may exist.
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management systems. Every batch is analyzed to ensure consistent purity and performance characteristics critical for downstream synthesis. Certificates of Analysis (COA) detailing key parameters such as assay, impurity profile, and color strength are provided and available upon request to support your quality assurance protocols.

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 to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 90% (typical >95%)
Moisture Content	Max. 5.0%
Solubility (in Water)	Completely soluble
Heavy Metals (as Pb)	Max. 20 ppm
Related Substances (HPLC)	Individual impurity: Max. 1.0% Total impurities: Max. 5.0%

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