Description

2,7-Naphthalenedisulfonic acid, 5-(benzoylamino)-3-5-4-fluoro-6-(1-sulfo-2-naphthalenyl)amino-1,3,5-triazin-2-ylamino-2-sulfophenylazo-4-hydroxy-, tetrasodium salt is a high-purity, water-soluble anionic dye intermediate of significant industrial importance. Its complex polyfunctional structure, featuring multiple sulfonate groups and a reactive triazine moiety, makes it a critical precursor for synthesizing high-performance dyes and pigments. This compound is essential for manufacturers in the textile, ink, and specialty chemical sectors seeking to produce vivid, wash-fast colors with excellent substrate affinity.

Application

• Primary Intermediate for Reactive Dyes: Key building block for manufacturing high-grade reactive dyes used in cotton, wool, and nylon fiber dyeing and printing.
• Specialty Pigment Synthesis: Used in the production of high-performance pigments for inks, coatings, and plastics requiring enhanced color strength and durability.
• Functional Dye Manufacturing: Serves as a precursor for dyes used in specialized applications, including laser marking, optical data storage, and sensitizers.
• Textile Auxiliary Chemicals: Can be utilized in the formulation of dye-fixing agents and other textile processing chemicals.
• Research & Development: A valuable chemical for R&D laboratories exploring new chromophores, dye-sensitized solar cells (DSSCs), and advanced material science.

Basic Information

Product Name	2,7-Naphthalenedisulfonic acid, 5-(benzoylamino)-3-5-4-fluoro-6-(1-sulfo-2-naphthalenyl)amino-1,3,5-triazin-2-ylamino-2-sulfophenylazo-4-hydroxy-, tetrasodium salt
CAS No.	171172-56-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Reactive Blue 268; Tetrasodium 5-[[4-fluoro-6-[(1-sulfo-2-naphthyl)amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[[2,7-disulfo-5-[(phenylcarbonyl)amino]-1-naphthalenyl]azo]-2,7-naphthalenedisulfonate; Reactive Blue 268; 5-(Benzoylamino)-3-[[4-fluoro-6-[(1-sulfo-2-naphthalenyl)amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-2,7-naphthalenedisulfonic acid, tetrasodium salt; CAS 171172-56-8
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to rigorous quality control protocols to ensure batch-to-batch consistency and high purity. Every lot is analyzed using advanced techniques like HPLC to confirm identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical specifications 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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 90%
Moisture Content	Max. 5.0%
Water Solubility	Freely soluble
Heavy Metals	Max. 20 ppm

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