Description

Tetrasodium 2,2'-[[6-Anilino-1,3,5-Triazine-2,4-Diyl]Bis[Imino(2-Methyl-4,1-Phenylene)Azo]]Bis[5-[(4-Sulphonatophenyl)Azo]Benzenesulphonate] is a high-performance, water-soluble anionic dye belonging to the class of reactive or direct dyes, valued for its strong color strength and excellent substantivity to cellulosic fibers. This compound is engineered to deliver vibrant and durable coloration, making it a critical component for industries requiring high-quality, consistent, and wash-fast dyes. It is primarily sought after by manufacturers in the textile, leather, paper, and specialty ink sectors for its reliable performance in demanding application processes.

Application

• Textile Dyeing: Primary application for dyeing cotton, viscose, and other cellulosic fibers, offering excellent wash and light fastness.
• Leather Finishing: Used for coloring leather goods, providing rich, uniform shades with good penetration.
• Paper Coloring: Employed in the production of colored paper and paperboard, ensuring consistent hue and good runnability.
• Ink Formulation: A key component in the manufacture of specialty inks for various printing applications.
• Biological Staining: Potential use as a histological or cytological stain in laboratory settings due to its specific affinity.
• Research & Development: Serves as a standard or intermediate in chemical research and the synthesis of more complex dye molecules.

Basic Information

Item	Detail
Product Name	Tetrasodium 2,2'-[[6-Anilino-1,3,5-Triazine-2,4-Diyl]Bis[Imino(2-Methyl-4,1-Phenylene)Azo]]Bis[5-[(4-Sulphonatophenyl)Azo]Benzenesulphonate]
CAS No.	73398-50-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Direct Yellow 106; Direct Yellow 106; Tetrasodium 6-Anilino-1,3,5-triazine-2,4-diylbis[imino(2-methyl-4,1-phenylene)azo]bis[5-[(4-sulfophenyl)azo]benzene-1,3-disulfonate]; Benzenesulfonic acid, 5-[[4-[[6-[(2-amino-5-methylphenyl)azo]-1,3,5-triazin-2-yl]amino]-2-methylphenyl]azo]-2-[(4-sulfophenyl)azo]-, sodium salt (1:?); C.I. 40045; Direct Fast Yellow GC; Kayarus Yellow G; Sirius Supra Yellow GC
EINECS	Contact for details

Quality Control

Our Tetrasodium 2,2'-[[6-Anilino-1,3,5-Triazine-2,4-Diyl]Bis[Imino(2-Methyl-4,1-Phenylene)Azo]]Bis[5-[(4-Sulphonatophenyl)Azo]Benzenesulphonate] is produced under a strict quality management system to ensure batch-to-batch consistency and performance reliability. Each lot undergoes rigorous testing for key parameters including color strength, shade, solubility, and impurity profile. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and conformance to specification is provided with every 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). Keep away from strong oxidizing agents and incompatible materials. The product is hygroscopic (moisture-sensitive); ensure the container is resealed tightly after each use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Yellow to Orange Powder
Identification (IR)	Conforms to Standard
Color Strength	100% ± 3% (vs. Standard)
Shade	Conforms to Standard
Moisture Content	≤ 5.0%
Water Solubility	Clear Solution at 1%
Ash Content (Sulfated)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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