Description

1-Amino-7-[5-(4,6-Dichloro-1,3,5-Triazin-2-Yl)Amino-2-Sodiosulfophenylazo]-2-(1,5-Disodiosulfo-2-Naphtylazo)-8-Hydroxy-3,6-Naphthalenedisulfonic Acid Disodium Salt is a high-purity, reactive dye intermediate and specialty chemical with a complex polyazo and triazine-based structure. This compound is engineered to provide exceptional chromophore properties and reactive sites, making it a critical building block for advanced colorants. It is primarily utilized by manufacturers in the textile, ink, and specialty polymer industries seeking to produce high-performance dyes and pigments with specific fastness and hue characteristics.

Application

• Reactive Dye Synthesis: A key intermediate for manufacturing high-grade reactive dyes used in textile coloring, particularly for cotton and cellulose fibers.
• Specialty Ink Production: Used in formulating inks for digital textile printing and other high-resolution applications requiring vibrant, stable colors.
• Functional Pigment Development: Serves as a precursor for creating complex organic pigments with enhanced lightfastness and thermal stability.
• Research & Development: Employed in chemical R&D for synthesizing novel chromophores and studying azo-triazine coupling reactions.
• Analytical Chemistry: Can be used as a standard or reagent in chromatographic analysis and colorimetric detection methods.

Basic Information

Product Name	1-Amino-7-[5-(4,6-Dichloro-1,3,5-Triazin-2-Yl)Amino-2-Sodiosulfophenylazo]-2-(1,5-Disodiosulfo-2-Naphtylazo)-8-Hydroxy-3,6-Naphthalenedisulfonic Acid Disodium Salt
CAS No.	17589-26-3
Molecular Formula	C29H14Cl2N10Na4O16S5
Molecular Weight	Contact for details
Synonyms	Reactive Black 5 Intermediate; C.I. Reactive Black 5 Precursor; Disodium 1-amino-7-[5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-2-sulfophenyl]azo-2-[1,5-disulfo-2-naphthyl]azo-8-hydroxynaphthalene-3,6-disulfonate; Polyazo Triazine Dye Intermediate; 17589-26-3; Reactive Dye Intermediate 17589-26-3; Tetrasodium Salt Variant (common alternate form)
EINECS	Contact for details

Quality Control

Our production of this specialty intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and purity. Quality is verified through advanced analytical techniques including HPLC, UV-Vis spectroscopy, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark blue to black powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Typical, grades available)
Moisture Content	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Freely soluble

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