Description

2-[[(1,3-Dihydro-1,3-Dimethyl-2H-Benzimidazol-2-Ylidene)Methyl]Azo]-3-Methylbenzothiazolium Acetate is a high-purity cationic dye and a versatile chemical intermediate with significant commercial importance. Its value lies in its strong, stable color properties and its reactivity, making it a critical component for advanced material synthesis. This compound is essential for manufacturers and researchers in the textile, specialty inks, photographic materials, and analytical chemistry sectors seeking reliable, high-performance colorants and precursors.

Application

• Cationic Dye for Synthetic Fibers: Primary application for dyeing acrylic, modacrylic, and polyester fibers, providing excellent color fastness and brightness.
• Specialty Ink Formulation: Used in the production of high-quality inks for jet printing, security printing, and specialty coatings.
• Photographic Sensitizer: Acts as a spectral sensitizer in silver halide photographic emulsions to extend light sensitivity.
• Biological Staining Agent: Employed in histology and cytology for staining cellular components in microscopy.
• Laser Dye and Optical Applications: Suitable for use in tunable dye lasers and other applications requiring specific light absorption/emission properties.
• Chemical Synthesis Intermediate: Serves as a key precursor for synthesizing more complex heterocyclic compounds and functional dyes.
• Analytical Reagent: Used as a chromogenic agent in specific spectrophotometric and colorimetric analytical methods.

Basic Information

Product Name	2-[[(1,3-Dihydro-1,3-Dimethyl-2H-Benzimidazol-2-Ylidene)Methyl]Azo]-3-Methylbenzothiazolium Acetate
CAS No.	84788-02-3
Molecular Formula	C20H21N5O2S
Molecular Weight	395.48 g/mol
Synonyms	Basic Blue 41; C.I. 11154; Astrazon Blue BG; Aizen Cathilon Blue BG; 3-Methyl-2-[(E)-[1,3-dimethyl-2(3H)-benzimidazolylidene]methyl]azo]benzothiazolium acetate; Cationic Blue BG; Maxilon Blue BG; Sevron Blue BG
EINECS	Contact for details

Quality Control

Our production of 2-[[(1,3-Dihydro-1,3-Dimethyl-2H-Benzimidazol-2-Ylidene)Methyl]Azo]-3-Methylbenzothiazolium Acetate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure consistency, purity, and performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided to guarantee the material meets your specific application requirements and industry standards.

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). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark blue to greenish-blue crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in water)	Clear, complete solution
Color Strength	± 3% of standard
Ash Content	≤ 0.5%

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