Description

Cuprophenyl Yellow 3Gl is a high-performance, light-sensitive organic pigment belonging to the azo chemical class. This product is valued for its excellent tinctorial strength and good fastness properties, making it a reliable choice for demanding coloration applications. It is primarily utilized by manufacturers in the textile, ink, and specialty coatings industries seeking consistent and vibrant yellow hues.

Application

• Textile Dyeing and Printing: A key colorant for dyeing and printing natural and synthetic fibers, particularly where specific shade and lightfastness are required.
• Ink Manufacturing: Used in the formulation of various inks, including packaging inks and specialty printing inks, providing strong, opaque yellow coloration.
• Industrial Coatings: Employed in pigmented coatings and paints for plastics, leather, and other substrates requiring durable color.
• Plastics Coloring: Suitable for mass coloration of certain plastic polymers, offering good dispersion and heat stability.
• Paper Coloration: Applied in the surface coating or beater dyeing of paper and paperboard products.
• Specialty Applications: Potential use in artistic pigments, educational kits, and other niche industrial coloring processes.

Basic Information

Product Name	Cuprophenyl Yellow 3Gl
CAS No.	61703-10-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Pigment Yellow 129; Cuprophenyl Yellow GL; Yellow 3GL; Azo Yellow 3GL; C.I. 48042; Pigment Yellow 129; Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[2-(2-hydroxyethoxy)ethoxy]phenyl]azo]-, copper complex; Copper complex of 2,2'-(1,2-ethenediyl)bis[5-[[4-[2-(2-hydroxyethoxy)ethoxy]phenyl]azo]benzenesulfonic acid
EINECS	Contact for details

Quality Control

Our Cuprophenyl Yellow 3Gl is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Each lot is tested against established specifications for critical parameters such as color strength, shade, and purity. A comprehensive Certificate of Analysis (COA) documenting 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 the container sealed when not in use to minimize exposure to moisture and atmospheric contaminants.

Specification

Item	Specification
Appearance	Yellow Powder
Identification (IR)	Conforms
Color Strength	100 ± 5% (vs. Standard)
Hue	Within agreed tolerance
Moisture Content	≤ 2.0%
Ash Content	≤ 1.0%
Water Soluble Matter	≤ 1.5%
Particle Size (Residue on 80 mesh)	≤ 5.0%

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