Description

Sirius Supra Scarlet Gg is a high-performance, synthetic organic pigment belonging to the azo chemical class, identified by CAS No. 1325-63-9. It is valued for its brilliant scarlet hue, excellent color strength, and superior fastness properties, making it a critical component for demanding coloration applications. This pigment is essential for manufacturers in the coatings, plastics, and specialty printing ink industries who require durable, vibrant, and consistent color performance.

Application

• Industrial and automotive coatings requiring high weatherfastness and chemical resistance.
• Coloration of engineering plastics and synthetic fibers for consumer goods and automotive interiors.
• Manufacturing of high-quality printing inks, including packaging and security inks.
• Pigment masterbatch and concentrate production for uniform color dispersion.
• Coloring of specialty polymers and resins where thermal stability is required.
• Decorative and artist-grade paints and colorants.

Basic Information

Product Name	Sirius Supra Scarlet Gg
CAS No.	1325-63-9
Molecular Formula	C24H12Cl2N6O6
Molecular Weight	551.29 g/mol
Synonyms	Pigment Scarlet G; C.I. Pigment Red 166; C.I. 20730; Scarlet G Supra; Permanent Scarlet G; Azo Condensation Pigment Scarlet G; 1,1'-[(6-Chloro-1,3,5-triazine-2,4-diyl)diimino]bis[9,10-anthracenedione]; Scarlet GG Pigment
EINECS	215-378-8

Quality Control

Every batch of Sirius Supra Scarlet Gg is manufactured and tested under a strict quality management system. Our products undergo rigorous quality testing to ensure compliance with industry standards for color value, strength, and physical properties. Certificates of Analysis (COA) detailing purity, shade, 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, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents. For long-term storage, ensure the original packaging remains sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Red Powder
Identification (IR)	Conforms to Standard
Color Strength	100 ± 5% (vs. Std.)
Hue	Conforms to Standard
Purity (HPLC)	≥ 97.0%
Volatile Matter (105°C)	≤ 2.0%
Ash Content	≤ 1.0%
Water Soluble Matter	≤ 1.5%
pH Value (10% Aqueous Slurry)	6.0 - 8.0
Particle Size (D50)	Contact for details

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