Description

2-[[4-[Ethyl(2-Hydroxypropyl)Amino]Phenyl]Azo]-6-Methoxy-3-Methylbenzothiazolium Acetate is a specialized cationic azo dye belonging to the benzothiazolium class, valued for its intense color and affinity for various substrates. This compound is engineered for high-performance applications where color fastness, purity, and batch-to-batch consistency are critical. It serves as a key intermediate and functional colorant for manufacturers in the textile, specialty inks, and advanced material coating industries.

Application

• Textile Dyeing: Primarily used for dyeing and printing on synthetic fibers like acrylics and modified polyesters, offering excellent wash and light fastness.
• Specialty Inks: A critical component in the formulation of high-quality jet printing inks and security inks, providing vibrant and stable coloration.
• Paper Coloring: Employed in the production of specialty and decorative papers requiring specific, durable color shades.
• Biological Staining: Potential use as a cationic dye for staining biological specimens in microscopy and histology applications.
• Research & Development: Serves as a valuable chemical intermediate for synthetic organic chemists developing new dyes and functional materials.
• Liquid Crystal Displays (LCDs): Can be investigated for use in guest-host LCD systems due to its dichroic properties.

Basic Information

Product Name	2-[[4-[Ethyl(2-Hydroxypropyl)Amino]Phenyl]Azo]-6-Methoxy-3-Methylbenzothiazolium Acetate
CAS No.	82281-92-3
Molecular Formula	C22H27N4O3S.C2H3O2 or C24H30N4O5S
Molecular Weight	486.58 g/mol (Acetate salt)
Synonyms	Basic Blue 159 (C.I. 11154); Astrazon Blue BG; Aizen Cathilon Blue BG; 2-[[4-[Ethyl(2-hydroxypropyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate; Cationic Blue BG; Maxilon Blue BG; 3-Methyl-2-((4-(N-ethyl-N-(2-hydroxypropyl)amino)phenyl)azo)-6-methoxybenzothiazolium acetate
EINECS	Contact for details

Quality Control

Our production of 2-[[4-[Ethyl(2-Hydroxypropyl)Amino]Phenyl]Azo]-6-Methoxy-3-Methylbenzothiazolium Acetate adheres to stringent quality management protocols to ensure product integrity and performance consistency. Every batch is analyzed against rigorous in-house specifications, which typically include identity confirmation, purity assay, and critical impurity profiling. Certificates of Analysis (COA) documenting these results are provided to guarantee the material meets the specific requirements for your application, whether for industrial or research use.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent absorption of atmospheric moisture, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Dark blue to violet crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in water)	Clear, complete solution
Color Strength & Shade	Against reference standard

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