Description

Direct Yellow 110 is a high-performance, water-soluble azo dye belonging to the direct dye class, known for its bright and strong yellow hue. It is valued for its excellent substantivity to cellulosic fibers, providing good wash and light fastness properties in demanding industrial applications. This dye is essential for manufacturers in the textile, paper, and leather industries seeking reliable and consistent colorants for bulk production. Its formulation ensures ease of application in various dyeing processes, making it a staple for creating vibrant yellow shades.

Application

• Textile Dyeing: Primary application for dyeing cotton, viscose, rayon, and other cellulosic fibers in exhaust and continuous dyeing processes.
• Paper Coloring: Used for tinting and surface coloring of paper products, including specialty papers and packaging materials.
• Leather Finishing: Employed in the dyeing of leather goods to achieve consistent and deep yellow colors.
• Ink Formulation: A key component in the manufacture of inks for flexographic and other printing applications.
• Biological Staining: Potential use as a staining agent in histological and microbiological laboratories.
• Industrial Coatings: Incorporated into coatings and paints where a stable yellow pigment is required.

Basic Information

Product Name	Direct Yellow 110
CAS No.	61725-10-8
Molecular Formula	C29H19N5Na2O8S2
Molecular Weight	683.60 g/mol
Synonyms	Direct Fast Yellow 5R; C.I. Direct Yellow 110; Direct Yellow 5R; Amanil Fast Yellow 5R; Atul Direct Fast Yellow 5R; Pyrazol Yellow FR; Sirius Supra Yellow FR; Solar Flavine 5G; Dinamine Fast Yellow 5R; Direct Yellow FR
EINECS	262-964-5

Quality Control

Every batch of Direct Yellow 110 is manufactured under a stringent quality management system. Our products undergo rigorous quality testing to ensure compliance with industry standards for strength, shade, solubility, and fastness properties. Certificates of Analysis (COA) detailing purity, physical parameters, and performance characteristics are available upon request 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 incompatible materials and sources of heat. The product is light-sensitive and should be stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Yellow to reddish-brown powder
Identification (IR)	Conforms to standard
Assay (HPLC)	Min. 95%
Moisture Content	Max. 5.0%
Water Solubility	Conforms
Shade	Conforms to standard
Fastness to Light	Good to Very Good
Fastness to Washing	Good

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