Description

Acid Blue 15 is a synthetic, water-soluble acid dye belonging to the anthraquinone class, known for its bright and stable blue hue. This high-performance colorant is valued for its excellent lightfastness and wash fastness, providing reliable and consistent coloration in demanding industrial processes. It is primarily utilized by manufacturers in the textile, leather, and paper industries seeking vibrant and durable blue shades for their products.

Application

• Textile Dyeing: Primary application for dyeing protein fibers like wool, silk, and nylon, as well as for printing.
• Leather Finishing: Used for coloring leather goods, providing rich color with good penetration and rub fastness.
• Paper Coloring: Employed in the production of colored papers, including specialty and decorative papers.
• Ink Formulation: A component in the manufacture of certain inks, particularly for specialized applications.
• Biological Staining: Used in histology and microscopy as a staining agent for tissue samples.
• Other Industrial Uses: Potential applications in the coloration of soaps, detergents, and other materials requiring an acid-stable blue dye.

Basic Information

Product Name	Acid Blue 15
CAS No.	5863-46-7
Molecular Formula	C20H13N2NaO5S
Molecular Weight	416.38 g/mol
Synonyms	Acid Blue AS; C.I. 42645; Acid Blue A; Alizarine Brilliant Blue BS; Anthraquinone Blue; Sodium 1-amino-4-(cyclohexylamino)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate; C.I. Acid Blue 15; D&C Blue No. 9 (when certified).
EINECS	227-510-5

Quality Control

Our Acid Blue 15 is manufactured under a strict quality management system. Every batch is tested to ensure it meets precise specifications for color strength, hue, solubility, and impurity profiles. Certificates of Analysis (COA) documenting purity, heavy metal content, and other critical parameters 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, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents. The product is light-sensitive and should be stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Dark blue powder or granules
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Water Solubility	Clear solution at 1%
Ash Content	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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