Description

1,2-bis[4-fluoro-6-{4-sulfo-5-(2-(4-sulfonaphtalene-3-ylazo)-1-hydroxy-3,6-disulfo-8-aminonaphthalene-7-ylazo)phenylamino}-1,3,5-triazin-2ylamino]ethanex-sodium, y-potassium salts x = 7,755 y = 0,245 is a high-purity, complex polyazo dye intermediate designed for advanced colorant synthesis. This compound is engineered to deliver exceptional chromophore strength and stability, making it a critical component for producing high-performance dyes. It is essential for manufacturers in the textile, ink, and specialty chemical sectors seeking to develop vibrant, lightfast, and wash-resistant colorants.

Application

• Primary Intermediate for Reactive Dyes: A key building block in the synthesis of high-grade reactive dyes for cotton, wool, and nylon fibers.
• Production of Acid Dyes: Used in formulating acid dyes for silk, leather, and paper, offering excellent brightness and wet fastness.
• Specialty Ink Pigments: Serves as a precursor for pigments used in high-quality inkjet, textile printing, and security inks.
• Functional Dyes for Non-Textile Uses: Applied in the development of dyes for biological staining, laser dyes, and optical data storage media.
• Research & Development: A valuable compound for R&D laboratories focused on novel chromophore design and advanced material science.

Basic Information

Item	Detail
Product Name	1,2-bis[4-fluoro-6-{4-sulfo-5-(2-(4-sulfonaphtalene-3-ylazo)-1-hydroxy-3,6-disulfo-8-aminonaphthalene-7-ylazo)phenylamino}-1,3,5-triazin-2ylamino]ethanex-sodium, y-potassium salts x = 7,755 y = 0,245
CAS No.	155522-09-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Reactive Black 5 (related dye class intermediate); Polyazo dye intermediate; Disazo dye precursor; Sodium/potassium salt of a bis(triazinyl)azo dye; Reactive dye intermediate 155522-09-1; Complex sulfonated azo compound; Textile dye intermediate
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to stringent quality control protocols to ensure batch-to-batch consistency and purity. Quality is verified through modern analytical techniques including HPLC, UV-Vis spectroscopy, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical specifications is provided with every 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 a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear solution

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