Description

Sirius Yellow Gg is a synthetic organic dye belonging to the class of azo colorants. This high-performance pigment is valued for its bright, stable yellow hue and excellent fastness properties in demanding applications. It is primarily utilized in the textile industry for dyeing and printing natural and synthetic fibers, as well as in the coloration of plastics, inks, and specialty coatings. Sirius Yellow Gg CAS NO 25849-26-7 offers reliable batch-to-batch consistency, making it a trusted choice for industrial manufacturers.

Application

• Textile Dyeing & Printing: Primary application for coloring cotton, wool, nylon, and other synthetic fibers, offering good wash and light fastness.
• Plastics & Masterbatch Coloration: Used to impart a stable yellow color to polymers such as PVC, polyolefins, and engineering plastics.
• Ink Manufacturing: A key component in the formulation of printing inks for packaging, publications, and specialty printing.
• Industrial Coatings & Paints: Provides durable coloration for industrial paints, lacquers, and surface coatings.
• Leather Finishing: Employed in the dyeing of leather goods to achieve vibrant and consistent yellow shades.
• Paper Coloration: Used in the production of colored papers and paperboard for packaging and decorative purposes.

Basic Information

Product Name	Sirius Yellow Gg
CAS No.	25849-26-7
Molecular Formula	C26H18Cl2N8Na2O8S2
Molecular Weight	759.48 g/mol
Synonyms	Sirius Yellow GG; C.I. Direct Yellow 106; Direct Yellow 106; Direct Fast Yellow G; Direct Yellow G; Direct Light Yellow G; Amanil Fast Yellow GG; Atul Direct Fast Yellow GG; Benzo Fast Yellow GG
EINECS	247-311-5

Quality Control

Our Sirius Yellow Gg is manufactured under a stringent quality management system to ensure it meets the high standards required for industrial applications. Every batch is tested for critical parameters including color strength, shade, solubility, and impurity profile. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and performance characteristics is provided with each shipment to guarantee traceability and compliance.

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 (moisture-sensitive) nature, the container must be kept tightly sealed when not in use to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Yellow to Orange Powder
Identification (IR)	Conforms to Standard
Color Strength	100 ± 3% (vs. Standard)
Shade	Conforms to Standard
Moisture Content	≤ 5.0%
Water Solubility	Conforms
Particle Size (Passing 80 mesh)	≥ 95%

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