Description

Acid Blue 62 is a synthetic acid dye belonging to the anthraquinone class, known for its bright blue color and good lightfastness. This dye is valued for its ability to produce vibrant and consistent shades on protein fibers like wool, silk, and nylon, as well as in specialized applications. It is a critical component for manufacturers in the textile, leather, and specialty paper industries seeking reliable and high-quality blue colorants. Acid Blue 62 CAS NO 4368-56-3 is supplied as a high-purity powder to ensure optimal performance in demanding production processes.

Application

• Textile Dyeing: Primary application for dyeing wool, silk, and polyamide (nylon) fibers to achieve bright blue shades with good wash and light fastness.
• Leather Coloring: Used in the dyeing of leather goods, providing rich and uniform blue coloration.
• Paper Staining: Employed for the coloration of specialty papers, including decorative and security papers.
• Ink Formulation: A colorant component in the manufacture of certain inks for industrial or artistic purposes.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.
• Wood Staining: Can be used to impart a blue hue to wood and other porous materials.

Basic Information

Product Name	Acid Blue 62
CAS No.	4368-56-3
Molecular Formula	C20H13N2NaO5S
Molecular Weight	416.38 g/mol
Synonyms	Acid Blue 62; C.I. 62045; Alizarine Brilliant Blue BS; Anthraquinone Blue SWF; Acid Blue BS; C.I. Acid Blue 62; Sodium 1-amino-4-(cyclohexylamino)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate; 1-Amino-4-(cyclohexylamino)-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic Acid Sodium Salt
EINECS	224-476-1

Quality Control

Our Acid Blue 62 is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including spectrophotometric analysis for color strength and purity, and testing for insolubles and heavy metals. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee 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 incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Dark Blue Powder
Identification (IR)	Conforms
Color Strength	100 ± 3% (Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
Heavy Metals (as Pb)	≤ 50 ppm
pH (1% Solution)	6.0 - 8.0

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