Description

Basic Blue 159 is a synthetic cationic dye belonging to the triarylmethane class, identified by CAS No. 105953-73-9. This high-purity colorant is valued for its intense blue hue and excellent tinctorial strength, making it a critical component for achieving vibrant and consistent coloration in demanding industrial applications. It is primarily utilized by manufacturers in the textile, paper, and specialty ink industries who require reliable, high-performance dyes for their production processes.

Application

• Textile Dyeing: Primarily used for dyeing acrylic, modacrylic, and other synthetic fibers, offering good light and wash fastness.
• Paper Coloring: Employed in the production of colored papers, tissues, and specialty paper products where a bright blue shade is desired.
• Ink Manufacturing: A key pigment for formulating specialty inks, including ballpoint pen inks and security inks.
• Leather Finishing: Used in the dyeing and finishing of leather goods to provide uniform and durable blue coloration.
• Biological Staining: May be utilized as a histological stain in laboratory settings for microscopic analysis.
• Plastics and Polymers: Incorporated for mass coloration of certain plastics where compatibility is confirmed.

Basic Information

Product Name	Basic Blue 159
CAS No.	105953-73-9
Molecular Formula	C46H56Cl2N6O6S2
Molecular Weight	924.00 g/mol
Synonyms	C.I. Basic Blue 159; Astrazon Blue BG; Aizen Cathilon Blue BG; Maxilon Blue BG; Basic Blue BG; 4-[[4-[Bis(2-hydroxyethyl)amino]phenyl][4-[ethyl[(3-methylphenyl)methyl]amino]phenyl]methylene]-N-ethyl-2,5-cyclohexadien-1-iminium chloride sulfate; Cationic Blue BG
EINECS	Contact for details

Quality Control

Every batch of Basic Blue 159 is manufactured and tested under a strict quality management system. We ensure the product meets high-purity standards suitable for industrial applications, with key parameters including color strength, shade, and solubility rigorously verified. A Certificate of Analysis (COA) detailing purity, impurity profile, and physical specifications is provided with each shipment to guarantee consistency and performance.

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 or Crystals
Identification (IR)	Conforms to Standard
Assay (HPLC)	Min. 95%
Color Strength	100 ± 5% (vs. Standard)
Shade	Conforms to Standard
Moisture Content	Max. 5.0%
Ash Content	Max. 1.0%
Solubility (in Water)	Clear, Blue Solution

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