Description

Acid Blue 198 is a synthetic, water-soluble acid dye belonging to the anthraquinone chemical class, valued for its bright and stable blue shade. It is a critical component for achieving high-quality, durable coloration in polyamide and protein-based fibers. This dye is essential for manufacturers in the textile, leather, and paper industries seeking vibrant, wash-fast, and light-fast blue hues.

Application

• Textile Dyeing: Primary application for dyeing nylon, silk, and wool fibers, offering excellent leveling and migration properties.
• Leather Finishing: Used for coloring leather goods, providing rich and uniform penetration with good fastness.
• Paper Coloring: Employed in the production of specialty papers, decorative tissues, and security papers requiring a specific blue colorant.
• Ink Formulation: A component in the manufacture of inks for markers, stamp pads, and other aqueous-based ink systems.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.

Basic Information

Product Name	Acid Blue 198
CAS No.	61901-15-3
Molecular Formula	C32H26N4Na2O8S2
Molecular Weight	696.70 g/mol
Synonyms	Acid Blue 198; C.I. 621195; Acid Blue AR; Nylosan Blue N-5GL; Telon Blue ANL; Supranol Blue GLW; Lanasyn Blue S-BGL; Acid Anthraquinone Blue GL; 1-Amino-4-(3-((4-((2,5-dichlorophenyl)amino)-3-sulfonatophenyl)amino)-2,4,6-trimethyl-5-sulfonatophenyl)amino)-9,10-dihydro-9,10-dioxoanthracene-2-sulfonate disodium salt
EINECS	Contact for details

Quality Control

Our Acid Blue 198 is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including spectrophotometric analysis and chromatography, to ensure consistent shade, strength, and purity. A Certificate of Analysis (COA) detailing assay, impurity profile, and physical parameters is provided with each shipment to guarantee 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 strong oxidizing agents. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Dark blue powder or granules
Identification (IR)	Conforms to standard
Assay (Color Strength)	≥ 98%
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 0.5%
Shade	Matches reference standard
Fastness Properties	To light, washing, and perspiration as per industry standards

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