Description

Sirius Supra Red Violet B is a high-performance synthetic dye belonging to the anthraquinone class, known for its brilliant and stable violet-red hue. This product is engineered to deliver exceptional color strength, lightfastness, and chemical stability, making it a critical component for demanding industrial applications. It is primarily utilized by manufacturers in the textile, leather, and specialty ink industries seeking reliable and consistent coloration for premium products.

Application

• Textile Dyeing: Primary application for dyeing natural and synthetic fibers, including cotton, wool, and polyamide, to achieve vibrant violet-red shades.
• Leather Finishing: Used in the coloration of leather goods, providing rich, uniform color with good penetration and rub fastness.
• Specialty Inks: A key pigment for manufacturing high-quality printing inks, including those for security printing and packaging.
• Paper Coloration: Employed in the production of colored papers and paper products requiring specific, fade-resistant hues.
• Plastics and Polymers: Suitable for mass coloration of certain plastics where thermal stability is required.
• Biological Staining: Potential use as a histological stain in laboratory settings, subject to specific purity grades.

Basic Information

Product Name	Sirius Supra Red Violet B
CAS No.	7198-99-4
Molecular Formula	C29H19N5Na2O9S2
Molecular Weight	699.60 g/mol
Synonyms	Acid Violet 7; C.I. 18055; Sirius Supra Violet B; Anthraquinone Violet; Acid Red Violet B; Sodium 1-amino-4-[(4-aminophenyl)amino]-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate; 1-Amino-4-(p-aminophenylamino)anthraquinone-2-sulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Every batch of Sirius Supra Red Violet B is manufactured and tested under a stringent quality management system. We provide comprehensive quality assurance, including verification of color strength, shade, and purity against established internal and industry benchmarks. A Certificate of Analysis (COA) detailing specific batch results for key parameters is available upon request to ensure compliance with your formulation requirements.

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). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture, which can affect performance.

Specification

Item	Specification
Appearance	Dark Violet to Black Powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	≥ 95.0%
Color Strength	100 ± 5% (vs. Standard)
Shade	Conforms to Standard
Moisture Content	≤ 5.0%
Water Solubility	Freely Soluble
Ash Content (Sulfated)	≤ 30.0%

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