Description

2-[[4-[Ethyl(2-Hydroxyethyl)Amino]Phenyl]Azo]-6-Methoxy-3-Methylbenzothiazolium Hydroxide is a specialized cationic azo dye belonging to the benzothiazolium class, valued for its intense color properties and chemical stability. This compound is engineered for applications requiring high-performance colorants with specific solubility and affinity characteristics. It is primarily sought by manufacturers in the textile, ink, and specialty polymer industries for dyeing and coloration processes.

Application

• Textile Dyeing: Used as a cationic dye for acrylic, modacrylic, and other synthetic fibers, providing excellent wash and light fastness.
• Ink Formulation: Serves as a key pigment in the production of inks for jet printing, packaging, and security applications.
• Paper Coloring: Employed in the surface coloring and coating of specialty papers and boards.
• Biological Staining: Potential use as a histological or cytological stain in laboratory settings due to its affinity for specific cellular structures.
• Polymer Masterbatch: Incorporated into color concentrates for the mass coloration of plastics and synthetic materials.
• Research & Development: Utilized as a chemical intermediate or reference standard in organic synthesis and analytical chemistry research.

Basic Information

Product Name	2-[[4-[Ethyl(2-Hydroxyethyl)Amino]Phenyl]Azo]-6-Methoxy-3-Methylbenzothiazolium Hydroxide
CAS No.	93919-19-8
Molecular Formula	C21H27N5O3S
Molecular Weight	429.54 g/mol
Synonyms	Basic Blue 159; C.I. 110561; 2-[[4-[Ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium hydroxide; 3-Methyl-2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxybenzothiazolium hydroxide; Cationic Blue M-2G; Astrazon Blue BG; Aizen Cathilon Blue BG; Sumiacryl Blue N-GSL
EINECS	Contact for details

Quality Control

Our production of 2-[[4-[Ethyl(2-Hydroxyethyl)Amino]Phenyl]Azo]-6-Methoxy-3-Methylbenzothiazolium Hydroxide adheres to stringent quality management protocols. Every batch is subjected to comprehensive analytical testing, including HPLC, UV-Vis, and titration methods, to ensure consistent purity, color strength, and chemical identity. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Dark blue to violet powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Color Strength	100% ± 3% (vs. Standard)
Loss on Drying	≤ 2.0%
Ash Content	≤ 0.5%
Solubility	Soluble in water and polar organic solvents

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