Description

4-Amino-3,6-Bis[5-[4-Chloro-6-(4-Chloro-3-Sulfoanilino)-1,3,5-Triazin-2-Ylamino]-2-Sulfophenylazo]-5-Hydroxy-2,7-Naphthalenedisulfonic Acid Hexasodium Salt is a high-purity, water-soluble reactive dye intermediate of significant commercial importance. This compound is engineered to deliver exceptional color strength and binding affinity in demanding industrial applications. It is primarily sought by manufacturers in the textile, specialty ink, and advanced material sectors for producing vibrant, wash-fast colors.

Application

• Reactive Dye Synthesis: A key intermediate for manufacturing high-performance reactive dyes used in cotton, wool, and nylon fiber dyeing and printing.
• Textile Industry: Imparts excellent wet fastness, lightfastness, and brilliant shades in textile coloration processes.
• Specialty Inks: Used in the formulation of inks for digital textile printing and other high-value printing applications requiring color stability.
• Paper Coloring: Employed in the production of specialty colored papers where high color value and consistency are critical.
• Leather Dyeing: Provides durable and vibrant coloration for finished leather goods.
• Research & Development: Serves as a precise chemical building block in R&D for developing new chromophores and functional dyes.

Basic Information

Item	Detail
Product Name	4-Amino-3,6-Bis[5-[4-Chloro-6-(4-Chloro-3-Sulfoanilino)-1,3,5-Triazin-2-Ylamino]-2-Sulfophenylazo]-5-Hydroxy-2,7-Naphthalenedisulfonic Acid Hexasodium Salt
CAS No.	101472-68-8
Molecular Formula	C44H22Cl4N16Na6O24S6
Molecular Weight	Contact for details
Synonyms	Reactive Dye Intermediate 101472-68-8; C.I. Reactive Black 5 Intermediate; Hexasodium 4-amino-3,6-bis[5-[[4-chloro-6-[(4-chloro-3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]azo-5-hydroxynaphthalene-2,7-disulfonate; 4-Amino-3,6-bis[[5-[[4-chloro-6-[(4-chloro-3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]azo]-5-hydroxynaphthalene-2,7-disulfonic acid hexasodium salt; Azo-triazine dye intermediate; Black 5 precursor
EINECS	Contact for details

Quality Control

Our production of this reactive dye intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and performance. Every lot is analyzed against stringent in-house specifications for purity, color value, and impurity profile. A comprehensive Certificate of Analysis (COA) detailing assay, identification, and related substance tests 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 original 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%
Water Content (KF)	Max. 5.0%
Solubility (1% in Water)	Complete, clear solution
Heavy Metals (as Pb)	Max. 20 ppm

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