Description

Sirius Yellow Gc is a synthetic organic dye belonging to the class of azo colorants, identified by CAS No. 8005-52-5. This high-performance colorant is valued for its strong tinctorial strength and good lightfastness, providing reliable and consistent coloration. It is primarily utilized in industrial applications where durable and vibrant yellow hues are required, serving sectors such as textiles, inks, and specialty coatings.

Application

• Textile Dyeing and Printing: Used for coloring natural and synthetic fibers, including cotton and polyester blends.
• Ink Formulation: A key pigment for producing yellow shades in various printing inks, including packaging and publication inks.
• Industrial Coatings: Incorporated into paints and coatings for plastics, metals, and wood to provide durable color.
• Paper Coloring: Employed in the surface coloring and coating of specialty papers and boards.
• Leather Finishing: Used in dyes and finishes for leather goods to achieve consistent yellow coloration.
• Plastics Masterbatch: Suitable for coloring polymers and plastics during manufacturing processes.

Basic Information

Product Name	Sirius Yellow Gc
CAS No.	8005-52-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Sirius Yellow GC; C.I. Direct Yellow 44; Direct Yellow 44; Direct Yellow G; Sirius Yellow G; Direct Fast Yellow GC; Amanil Fast Yellow GC; Pyrazol Yellow GC; Azo Yellow GC; Benzo Yellow GC
EINECS	Contact for details

Quality Control

Our Sirius Yellow Gc is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. Each lot undergoes comprehensive analytical testing, including purity assay and strength evaluation, to meet industry specifications. Certificates of Analysis (COA) documenting all critical parameters 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). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to standard
Assay (Color Strength)	≥ 95%
Moisture Content	≤ 5.0%
Ash Content	≤ 1.0%
Water Solubility	Conforms
Lightfastness	Good to Very Good

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