Description

Acid Blue 40:1 is a synthetic, water-soluble acid dye belonging to the anthraquinone chemical class, known for its bright and stable blue hue. This dye is valued for its excellent color fastness, good solubility, and compatibility with various substrates, making it a reliable choice for demanding industrial coloring applications. It is primarily utilized by manufacturers in the textile, leather, and paper industries seeking consistent and vibrant blue coloration.

Application

• Textile Dyeing: Used for dyeing wool, silk, and polyamide (nylon) fibers, providing bright blue shades with good wash and light fastness.
• Leather Finishing: Applied in the dyeing of leather goods, including footwear, garments, and accessories, to achieve uniform and durable blue colors.
• Paper Coloring: Employed in the production of specialty papers, decorative papers, and security papers requiring a stable blue dye.
• Ink Formulation: Serves as a colorant in the manufacture of inks for writing instruments, stamp pads, and other specialty applications.
• Biological Staining: Used in specific histological and microbiological staining procedures as a contrast agent.
• Polymer Coloring: Incorporated into certain plastics and polymers where an acid dye is compatible with the material matrix.

Basic Information

Product Name	Acid Blue 40:1
CAS No.	78170-36-2
Molecular Formula	C32H26N4Na2O8S2
Molecular Weight	712.66 g/mol
Synonyms	Acid Blue 40:1; C.I. Acid Blue 40:1; Acid Blue 40, calcium salt; Acid Leather Blue AGG; Amacid Blue AE; Atul Acid Blue AE; Derma Blue AGG; Duasyn Acid Blue AE; Lissamine Blue AE; Suracid Blue AE; Telon Blue AGG (C.I. 62125)
EINECS	Contact for details

Quality Control

Our Acid Blue 40:1 is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for color strength, shade, solubility, and impurity profiles. Certificates of Analysis (COA) documenting these results are provided to guarantee batch-to-batch consistency and performance reliability for your production processes.

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 and should be stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Dark Blue Powder
Identification (IR)	Conforms to Standard
Color Strength	100 ± 3% (vs. Standard)
Shade	Conforms to Standard
Moisture Content	≤ 5.0%
Water Solubility	Conforms
Ash Content	≤ 30.0%
Heavy Metals (as Pb)	≤ 20 ppm

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