Description

Acid Blue 92 is a synthetic, water-soluble acid dye belonging to the anthraquinone class, known for its bright and stable blue color. It is valued for its excellent lightfastness and washfastness properties, making it a reliable choice for demanding coloration applications. This dye is primarily used by manufacturers in the textile, leather, and paper industries seeking vibrant and durable blue hues.

Application

• Textile Dyeing: Primary application for dyeing protein fibers like wool, silk, and nylon, as well as for printing on these substrates.
• Leather Coloring: Used for dyeing leather goods, providing rich and uniform blue shades with good penetration.
• Paper Staining: Employed in the production of colored papers, specialty papers, and for surface coating applications.
• Ink Formulation: A colorant component in the manufacture of certain inks, including stamp pad inks and specialty printing inks.
• Biological Staining: Used in histology and microscopy as a staining agent for biological tissues.
• Wood Staining: Applied for coloring wood and wood-based products to achieve decorative blue finishes.

Basic Information

Product Name	Acid Blue 92
CAS No.	3861-73-2
Molecular Formula	C27H31N2NaO6S2
Molecular Weight	566.66 g/mol
Synonyms	Acid Blue AS; Alizarine Brilliant Blue BS; Amacid Blue AS; Anthraquinone Blue SWF; C.I. 13390; C.I. Acid Blue 92; D&C Blue No. 9; Disodium 1-amino-4-(cyclohexylamino)-9,10-dihydro-9,10-dioxo-2-anthracenesulfonate; Lissamine Blue BS; Sodium 1-amino-4-(cyclohexylamino)anthraquinone-2-sulfonate
EINECS	223-389-1

Quality Control

Our Acid Blue 92 is produced under a stringent quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against key parameters including color strength, shade, solubility, and impurity profile to meet industry specifications. A Certificate of Analysis (COA) detailing these results is provided with every shipment to guarantee product integrity and support your quality assurance protocols.

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 and sources of ignition.

Specification

Item	Specification
Appearance	Dark blue powder or granules
Identification (IR)	Conforms to standard
Color Strength	100% ± 3% (vs. Standard)
Shade	Conforms to standard
Moisture Content	≤ 5.0%
Water Solubility	Clear solution at specified concentration
Ash Content	≤ 1.0%

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