Description

Acid Blue 80 is a synthetic anthraquinone-based acid dye known for its bright, clear blue shade and excellent lightfastness. This high-performance dye is valued for its ability to produce vibrant and durable coloration on protein fibers like wool, silk, and nylon. It is a critical component for manufacturers in the textile, leather, and specialty paper industries seeking reliable and consistent colorants. The compound is also identified by the registry number CAS 4474-24-2.

Application

• Textile Dyeing: Primary application for dyeing wool, silk, and polyamide (nylon) fibers, offering excellent wash and light fastness.
• Leather Coloring: Used for dyeing leather goods, providing rich and uniform blue shades.
• Paper Staining: Employed in the production of specialty and decorative papers.
• Ink Formulation: A colorant component in certain types of inks, including for textiles and plastics.
• Biological Staining: Potential use as a histological stain in laboratory settings.
• Polymer Coloring: For tinting specific synthetic polymers and plastics.

Basic Information

Product Name	Acid Blue 80
CAS No.	4474-24-2
Molecular Formula	C32H26N4Na2O8S2
Molecular Weight	728.74 g/mol
Synonyms	Acid Blue 80; C.I. 61585; Alizarine Brilliant Blue BS; Aminyl Blue F-GL; Airedale Blue BS; Acid Brilliant Blue BS; C.I. Acid Blue 80; Sodium 1-amino-4-[(4-aminophenyl)amino]-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate
EINECS	224-746-5

Quality Control

Our Acid Blue 80 is manufactured 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. A detailed Certificate of Analysis (COA) providing specifications for purity, heavy metals, and other relevant tests is 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.

Specification

Item	Specification
Appearance	Dark blue powder
Identification (IR)	Conforms
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Solubility	Conforms
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.