Description

Direct Yellow 106 is a high-performance, water-soluble anionic dye belonging to the direct dye class, widely recognized for its bright and stable yellow hue. It is valued for its excellent substantivity to cellulosic fibers, providing deep and level shades with good fastness properties. This dye is essential for manufacturers in the textile, paper, and leather industries seeking reliable and cost-effective coloring solutions for their products.

Application

• Textile Dyeing: Primary application for dyeing cotton, viscose, rayon, and other cellulosic fibers, offering good wash and light fastness.
• Paper Coloring: Used in the production of colored papers, tissues, and paperboard where a bright yellow color is required.
• Leather Finishing: Employed in the dyeing of leather goods to achieve consistent and vibrant yellow finishes.
• Ink Formulation: A key component in the manufacture of inks for flexographic, gravure, and other specialty printing applications.
• Biological Staining: Potential use as a biological stain in laboratory and diagnostic applications due to its affinity for certain substrates.

Basic Information

Product Name	Direct Yellow 106
CAS No.	12222-60-5
Molecular Formula	C29H19N4Na3O9S3
Molecular Weight	764.64 g/mol
Synonyms	Direct Fast Yellow 5G; C.I. Direct Yellow 106; Direct Yellow 5G; Amanil Fast Yellow 5G; Atul Direct Fast Yellow 5G; Pyrazol Yellow FG; Sirius Supra Yellow 5G; Solophenyl Yellow 5G; Chlorantine Fast Yellow 5G
EINECS	Contact for details

Quality Control

Our Direct Yellow 106 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against key parameters including color strength, shade, solubility, and impurity profile to meet industry specifications. A Certificate of Analysis (COA) detailing these results is provided with every shipment to support your quality assurance protocols.

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.

Specification

Item	Specification
Appearance	Yellow to Brownish-Yellow Powder
Identification (IR)	Conforms to Standard
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 0.5%
Shade	Conforms to Standard
Solubility in Water	Conforms

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