Description

2-[4-[n-Ethyl-n-(2-Hydroxyethyl)Amino]-2-Methylphenylazo]-6-Methoxy-3-Methylbenzothiazolium Chloride CAS NO 136213-74-6 is a specialized cationic diazo dye intermediate, valued for its ability to impart vibrant and stable coloration to synthetic materials. Its molecular structure is engineered for high substantivity and compatibility with polyacrylonitrile and modified polyamide fibers. This product is essential for manufacturers in the textile and specialty polymer industries seeking to produce high-quality, colorfast materials.

Application

• Primary dye intermediate for the synthesis of cationic dyes for acrylic fibers.
• Used in the coloration of modified nylons and other synthetic polymers requiring cationic dyes.
• Key component in the production of inks for specialized printing applications on synthetic substrates.
• Employed in research and development of new colorants and functional dyes.
• Potential use in the dyeing of paper and leather where cationic properties are advantageous.

Basic Information

Product Name	2-[4-[n-Ethyl-n-(2-Hydroxyethyl)Amino]-2-Methylphenylazo]-6-Methoxy-3-Methylbenzothiazolium Chloride
CAS No.	136213-74-6
Molecular Formula	C22H28ClN5O2S
Molecular Weight	470.01 g/mol
Synonyms	C.I. Basic Red 46; Basic Red 46; Aizen Cathilon Red GTLH; Astrazon Red GTL; Maxilon Red GRL; Red GTL; 3-Methyl-2-((4-((N-ethyl-N-(2-hydroxyethyl)amino)-2-methylphenyl)azo)-6-methoxybenzothiazolium chloride; Cationic Red GTL
EINECS	Contact for details

Quality Control

Our production of 2-[4-[n-Ethyl-n-(2-Hydroxyethyl)Amino]-2-Methylphenylazo]-6-Methoxy-3-Methylbenzothiazolium Chloride adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance. Each lot is analyzed for critical parameters including purity, shade, and strength. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your technical requirements.

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). This compound is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed after opening to prevent degradation and moisture absorption.

Specification

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

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