Description

Acid Blue 82 is a synthetic acid dye belonging to the anthraquinone class, valued for its bright blue hue and good lightfastness. It is a critical coloring agent for industrial applications requiring vibrant and durable shades. This product is essential for manufacturers in the textile, leather, and paper industries seeking high-performance dyes for their finishing processes.

Application

• Primary dyeing and printing of wool, silk, and nylon textiles.
• Coloration of leather goods, including footwear, bags, and upholstery.
• Manufacture of colored paper and specialty paper products.
• As a colorant for inks and toners in specific printing applications.
• Used in the formulation of biological stains for laboratory and microscopy use.
• Potential use as a color filter dye in optical and photographic industries.

Basic Information

Product Name	Acid Blue 82
CAS No.	12217-19-5
Molecular Formula	C32H26N2Na2O8S2
Molecular Weight	678.67 g/mol
Synonyms	Acid Blue 82; C.I. 62105; Anthraquinone Blue 3G; Acid Blue 3G; Lissamine Blue 3G; Acid Leather Blue 3G; Sodium 1-amino-4-(cyclohexylamino)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate; Acid Blue 82, disodium salt
EINECS	Contact for details

Quality Control

Our Acid Blue 82 is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure consistent shade, strength, and purity. A Certificate of Analysis (COA) detailing key parameters such as color strength, solubility, and impurity profile is provided with each shipment to guarantee it meets your specific application 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
Assay (HPLC)	≥ 95%
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Solubility	Conforms
Ash Content	≤ 1.0%

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