Description

Acid Red 106 is a synthetic, water-soluble azo dye belonging to the acid dye class, valued for its bright and vivid red color. It is a critical component for imparting durable, wash-fast coloration to protein-based fibers and other substrates with cationic sites. This dye is essential for manufacturers in the textile, leather, and paper industries seeking consistent, high-quality red shades for their products.

Application

• Textile Dyeing: Primary application for dyeing natural protein fibers such as wool, silk, and nylon, providing excellent color fastness.
• Leather Finishing: Used for coloring leather goods, offering rich, uniform shades with good penetration.
• Paper Coloring: Employed in the production of specialty papers, including decorative and packaging materials.
• Ink Formulation: A component in the manufacture of inks for various printing applications.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.
• Cosmetic Additive: Used in certain color cosmetics, such as lipsticks and nail polishes, subject to regional regulatory approval.

Basic Information

Product Name	Acid Red 106
CAS No.	6844-74-2
Molecular Formula	C22H14N4Na2O7S2
Molecular Weight	556.48 g/mol
Synonyms	Acid Red 106; C.I. Acid Red 106; C.I. 18110; Acid Leather Red BG; Naphthalene Scarlet 4R; Nylosan Red F-3GL; Supranol Scarlet GW; Lissamine Scarlet 3G; Acid Fast Red A
EINECS	229-944-3

Quality Control

Our Acid Red 106 is manufactured under a strict quality management system. Every batch is tested to ensure it meets high-purity standards and consistent color strength. Key parameters such as dye content, shade, solubility, and impurity profiles are verified. A Certificate of Analysis (COA) detailing these results is provided with each shipment to guarantee traceability and compliance with your specifications.

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 away from incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Red to dark red powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Dye Content	≥ 95%
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 0.5%
Solubility in Water	Conforms
Shade	Conforms to standard

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