Description

1-[2-[[4-[(2-Cyano-4-Nitrophenyl)Azo]Phenyl]Ethylamino]Ethyl]Pyridinium Hydrogen Sulphate is a specialized cationic azo dye intermediate of significant commercial importance. Its complex molecular structure, featuring a pyridinium cation and a nitrophenyl azo group, makes it a critical precursor for synthesizing high-performance dyes and pigments. This compound is essential for manufacturers in the textile, ink, and specialty chemical industries seeking to produce vibrant, colorfast products with specific application properties.

Application

• Textile Dyeing: A key intermediate for cationic dyes used on acrylic, modacrylic, and cationic-dyeable polyester fibers, providing excellent color yield and wash-fastness.
• Inkjet Inks: Used in the synthesis of dyes for high-quality photographic and professional printing inks, offering a wide color gamut and stability.
• Paper Coloring: Employed in the production of dyes for specialty papers, including security papers and decorative grades.
• Biological Staining: Potential use as a precursor for developing histological stains and fluorescent probes for microscopy and diagnostic applications.
• Liquid Crystal Displays (LCDs): Can be utilized in the synthesis of dichroic dyes for guest-host LCD applications.
• Research & Development: Serves as a valuable building block in organic synthesis and materials science research for novel chromophores.

Basic Information

Product Name	1-[2-[[4-[(2-Cyano-4-Nitrophenyl)Azo]Phenyl]Ethylamino]Ethyl]Pyridinium Hydrogen Sulphate
CAS No.	84000-83-9
Molecular Formula	C22H23N6O4S
Molecular Weight	467.52 g/mol
Synonyms	Pyridinium, 1-[2-[[4-[(2-cyano-4-nitrophenyl)azo]phenyl]ethylamino]ethyl]-, hydrogen sulfate; C.I. Basic Red 29; Astrazon Red GTL; Azoic Diazo Component 42; 4-[(2-Cyano-4-nitrophenyl)azo]-N-ethyl-N-(2-(1-pyridinio)ethyl)benzenaminium hydrogen sulfate; Cationic Red GTL; Maxilon Red GTL
EINECS	Contact for details

Quality Control

Our production of 1-[2-[[4-[(2-Cyano-4-Nitrophenyl)Azo]Phenyl]Ethylamino]Ethyl]Pyridinium Hydrogen Sulphate adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet precise customer specifications. Certificates of Analysis (COA) detailing all critical parameters are provided with every shipment to guarantee traceability and compliance.

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 opening to prevent degradation from atmospheric moisture. 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%
Moisture (KF)	≤ 3.0%
Ash Content	≤ 1.0%
Solubility	Soluble in water, DMF, DMSO

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