Description

[2-[Ethyl[4-[(3-Phenyl-1,2,4-Thiadiazol-5-Yl)Azo]Phenyl]Amino]Ethyl]Trimethylammonium Hydrogen Sulphate is a specialized cationic azo dye intermediate with a complex, functionalized structure. This compound matters for its role in synthesizing high-value, color-fast dyes and pigments, particularly for demanding technical applications. Industrial users in the textile, ink, and specialty polymer sectors require this chemical for developing products with enhanced color stability and specific ionic properties. Its unique molecular architecture makes it a critical building block for advanced colorants.

Application

• Textile Dyeing: As a key precursor for cationic dyes used on acrylic, modified polyamide, and polyester fibers.
• Inkjet Inks: Synthesis of high-performance pigments for industrial and graphic arts inks requiring excellent lightfastness and color strength.
• Paper Coloring: Manufacturing of dyes for specialty papers, including security papers and decorative laminates.
• Biological Staining: Potential use in the development of histological stains and fluorescent probes for microscopy.
• Liquid Crystal Displays (LCDs): Research and development of dichroic dyes for guest-host LCD applications.
• Polymer Modification: Incorporation into polymer chains to impart permanent color or specific surface charge characteristics.
• Analytical Chemistry: Use as a chromogenic agent or indicator in specific spectrophotometric methods.

Basic Information

Item	Details
Product Name	[2-[Ethyl[4-[(3-Phenyl-1,2,4-Thiadiazol-5-Yl)Azo]Phenyl]Amino]Ethyl]Trimethylammonium Hydrogen Sulphate
CAS No.	72749-73-6
Molecular Formula	C21H29N6O4S2+ • HSO4-
Molecular Weight	Approx. 557.63 g/mol (for the salt)
Synonyms	Basic Red 46 (C.I. 110825); Cationic Red GTL; Aizen Cathilon Red GTLH; Astrazon Red GTL; 2-[Ethyl[4-[(3-phenyl-1,2,4-thiadiazol-5-yl)azo]phenyl]amino]ethyl]trimethylammonium sulphate; Ethyl-[4-[(3-phenyl-1,2,4-thiadiazol-5-yl)azo]phenyl]-(2-trimethylammonioethyl)ammonium hydrogen sulphate; 1-Ethyl-1-[4-[(3-phenyl-1,2,4-thiadiazol-5-yl)azo]phenyl]amino]-N,N,N-trimethyl-2-ethanaminium hydrogen sulphate
EINECS	Contact for details

Quality Control

Our production of [2-[Ethyl[4-[(3-Phenyl-1,2,4-Thiadiazol-5-Yl)Azo]Phenyl]Amino]Ethyl]Trimethylammonium Hydrogen Sulphate adheres to stringent quality management systems. Every batch undergoes rigorous analytical testing to ensure consistent purity, color value, and chemical identity. Certificates of Analysis (COA) documenting key parameters such as assay, impurity profile, and solubility are provided to guarantee compliance with your technical specifications and support your own quality assurance protocols.

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 sealed to prevent moisture absorption, which can affect product performance and stability. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Solubility (Water)	Clear, complete solution at 1%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%

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