Description

Acid Blue 76 is a synthetic acid dye belonging to the anthraquinone class, valued for its bright and stable blue hue. Its primary commercial value lies in its excellent color fastness properties, particularly its resistance to light and washing, making it a reliable choice for demanding applications. This dye is essential for manufacturers in the textile, leather, and paper industries seeking consistent and vibrant coloration for nylon, silk, and wool fibers.

Application

• Textile Dyeing: Primary application for dyeing nylon, silk, and wool fibers, providing excellent wash and light fastness.
• Leather Finishing: Used for coloring leather goods, offering rich and uniform shades with good penetration.
• Paper Coloring: Employed in the production of specialty papers, decorative papers, and security papers requiring a stable blue colorant.
• Ink Formulation: A component in the manufacture of inks for various printing applications, including inkjet and textile printing inks.
• Biological Staining: Utilized in histology and microbiology as a staining agent for microscopic analysis.
• Plastics and Polymers: Can be used for coloring certain types of plastics and synthetic materials where acid dye compatibility exists.

Basic Information

Product Name	Acid Blue 76
CAS No.	12238-89-0
Molecular Formula	C₂₂H₁₄N₂Na₂O₈S₂
Molecular Weight	556.47 g/mol
Synonyms	Acid Blue AR; C.I. Acid Blue 76; Acid Leather Blue AR; Anthraquinone Blue AR; Sodium 1-amino-4-(cyclohexylamino)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate; Acid Blue A; Telon Blue AR; Suracid Blue AR
EINECS	235-428-2

Quality Control

Our Acid Blue 76 is manufactured under a strict quality management system. Each batch undergoes comprehensive testing including identification, assay, and impurity profiling to ensure it meets precise color strength and purity specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee consistency and compliance with your technical requirements.

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 Insoluble Matter	≤ 1.0%
pH (1% Solution)	6.0 - 8.0
Shade	Conforms to Standard

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