Description

Acid Blue 142 is a synthetic acid dye belonging to the anthraquinone class, valued for its bright and stable blue coloration. It is a critical component for achieving consistent, high-quality shades with excellent fastness properties in demanding industrial applications. This dye is primarily used by manufacturers in the textile, leather, and paper industries for dyeing and printing natural and synthetic polyamide fibers.

Application

• Textile Dyeing: Primary application for dyeing nylon, wool, and silk fibers, offering good wash and light fastness.
• Leather Finishing: Used for coloring leather goods, providing rich and uniform blue shades.
• Paper Coloration: Employed in the production of specialty colored papers and paper products.
• Ink Formulation: A component in the manufacture of inks for various printing applications.
• Biological Staining: Potential use as a staining agent in microscopy and histology.

Basic Information

Product Name	Acid Blue 142
CAS No.	61723-94-2
Molecular Formula	C32H26N4Na2O8S2
Molecular Weight	696.74 g/mol
Synonyms	Acid Blue 142; C.I. 42760; Acid Blue AS; Lissamine Blue 142; Nylosan Blue F-2GL; Telon Blue FGL; Suracid Blue 2GL; Dermacid Blue 2GL; Anthraquinone Blue 142; Sodium 1-amino-4-[(4-aminophenyl)amino]-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate
EINECS	262-968-8

Quality Control

Our Acid Blue 142 is manufactured under a strict quality management system. Each batch is tested to ensure it meets precise color strength, shade, and chemical purity specifications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical parameters is provided to guarantee consistency and compliance with your 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). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark Blue Powder
Identification (IR)	Conforms to Standard
Color Strength	100 ± 3%
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
Shade	Conforms to Standard
Fastness Properties	To be specified per grade

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