Description

[2-[[4-[(2-Chloro-4-Nitrophenyl)Azo]Phenyl]Ethylamino]Ethyl](2-Hydroxypropyl)Dimethylammonium Hydrogen Sulphate is a specialized cationic azo dye intermediate with a complex quaternary ammonium structure. This compound is valued for its ability to impart strong, stable coloration and cationic functionality to synthetic materials, making it a critical component in high-performance applications. It is primarily needed by manufacturers in the textile, specialty polymer, and advanced materials sectors seeking to develop products with enhanced dyeability, antistatic properties, or specific surface modifications.

Application

• Cationic Dye Synthesis: A key intermediate for producing cationic azo dyes used in dyeing acrylic fibers, modified nylons, and polyester, offering excellent color fastness and brightness.
• Textile Chemical Auxiliaries: Used in the formulation of leveling agents, fixing agents, and other dyeing assistants to improve dye uptake uniformity and fabric quality.
• Paper Coloring: Employed in the manufacture of specialty colored papers, particularly where cationic retention aids are used, ensuring vibrant and bleed-resistant colors.
• Leather Dyeing: Functions as an intermediate for dyes applied in the leather tanning industry to achieve deep, uniform shades on treated hides.
• Functional Polymer Modification: Incorporated as a monomer or additive to impart cationic charge or color to polymers for applications in water treatment flocculants or specialty coatings.
• Inkjet Ink Formulations: Serves as a precursor for dyes used in high-quality digital printing inks, providing stable colorants with good solubility.
• Biological Stains (Research Grade): Potential use as an intermediate for developing cationic stains for microscopy and histology in life science research.
• Liquid Crystal Displays (LCDs): Investigated for use in color filters and alignment layers due to its molecular structure and charge properties.

Basic Information

Item	Details
Product Name	[2-[[4-[(2-Chloro-4-Nitrophenyl)Azo]Phenyl]Ethylamino]Ethyl](2-Hydroxypropyl)Dimethylammonium Hydrogen Sulphate
CAS No.	72894-28-1
Molecular Formula	C21H30ClN5O6S
Molecular Weight	524.01 g/mol
Synonyms	2-[[4-[(2-Chloro-4-nitrophenyl)azo]phenyl]ethylamino]ethyl(2-hydroxypropyl)dimethylammonium hydrogen sulfate; C.I. Basic Red 46:1; Astrazon Red GTL; Aizen Cathilon Red GLH; Maxilon Red GRL; Quaternary ammonium compound, (2-hydroxypropyl)[2-[[4-[(2-chloro-4-nitrophenyl)azo]phenyl]ethylamino]ethyl]dimethyl-, sulfate (1:1); Cationic Red GTL; 1-Propanaminium, N-(2-((4-((2-chloro-4-nitrophenyl)azo)phenyl)ethylamino)ethyl)-N,N-dimethyl-2-hydroxy-, sulfate (1:1)
EINECS	Contact for details

Quality Control

Our production of [2-[[4-[(2-Chloro-4-Nitrophenyl)Azo]Phenyl]Ethylamino]Ethyl](2-Hydroxypropyl)Dimethylammonium Hydrogen Sulphate adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure consistent purity, color strength, and chemical identity. Certificates of Analysis (COA) detailing key parameters such as assay, impurity profile, and physical properties are provided and available upon request, supporting your quality assurance and regulatory compliance needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture, which can affect product stability and performance. 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%
Color Strength	100% ± 3% (vs. Standard)
Moisture Content (KF)	≤ 5.0%
Ash Content	≤ 0.5%
Solubility (in water)	Clear solution at 1%
Heavy Metals (as Pb)	≤ 20 ppm

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