Description

Direct Yellow 107 is a high-performance, water-soluble azo dye belonging to the direct dye class, known for its bright yellow hue and excellent substantivity for cellulosic fibers. Its primary value lies in delivering consistent, vibrant coloration with good wash and light fastness properties, making it a reliable choice for demanding industrial dyeing processes. This product is essential for manufacturers in the textile, paper, and leather industries seeking efficient and economical dyeing solutions for natural fibers like cotton and viscose.

Application

• Textile Dyeing: Primary application for exhaust and continuous dyeing of cotton, viscose, rayon, and other cellulosic fabrics.
• Paper Coloring: Used for mass tinting of paper and paperboard to achieve uniform yellow shades.
• Leather Finishing: Imparts color to leather goods, offering good penetration and coverage.
• Ink Formulation: A component in the manufacture of certain types of inks, including those for flexographic and packaging applications.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.
• Specialty Applications: Can be used for coloring non-woven materials, wood stains, and other specialty substrates.

Basic Information

Product Name	Direct Yellow 107
CAS No.	61815-04-1
Molecular Formula	C29H19N5Na2O8S2
Molecular Weight	695.66 g/mol
Synonyms	Direct Fast Yellow GC; C.I. Direct Yellow 107; Direct Yellow GC; Amanil Fast Yellow GC; Atul Direct Fast Yellow GC; Pyrazol Yellow GC; Sirius Supra Yellow GC; Solophenyl Yellow AGL
EINECS	Contact for details

Quality Control

Every batch of Direct Yellow 107 is manufactured and tested under a stringent quality management system to ensure consistent shade, strength, and application performance. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing key parameters such as color strength, solubility, and impurity profile are available upon request.

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 ignition. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Yellow to orange-brown powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 0.5%
pH (1% Solution)	6.0 - 8.0
Shade	Conforms to standard
Fastness Properties	Contact for details

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