Description

1-[2-[[4-[(2,6-Dichloro-4-Nitrophenyl)Azo]Phenyl]Ethylamino]Ethyl]Pyridinium Hydrogen Sulphate is a high-purity cationic azo dye intermediate of significant commercial importance. Its value lies in its role as a key precursor for synthesizing specialized dyes and pigments with enhanced color fastness and application properties. This compound is essential for manufacturers in the textile, ink, and specialty chemical industries seeking to develop high-performance colorants.

Application

• Primary Intermediate for Cationic Dyes: A crucial building block in the synthesis of cationic (basic) dyes, particularly for acrylic fibers.
• Textile Dyeing and Printing: Used to produce dyes that offer bright shades and good wash-fastness on polyacrylonitrile and modified polyester fabrics.
• Specialty Ink Formulation: Serves as a precursor for pigments used in inks for jet printing, security printing, and other high-value applications.
• Research & Development: Employed in chemical R&D for creating novel chromophores and studying structure-property relationships in dye chemistry.
• Paper Coloring: Can be used in the development of dyes for specialty paper products requiring specific color characteristics.
• Biological Staining Agent Precursor: Potential use in synthesizing stains for microscopic analysis in biological and histological studies.

Basic Information

Product Name	1-[2-[[4-[(2,6-Dichloro-4-Nitrophenyl)Azo]Phenyl]Ethylamino]Ethyl]Pyridinium Hydrogen Sulphate
CAS No.	64086-81-3
Molecular Formula	C21H22Cl2N6O6S
Molecular Weight	557.41 g/mol
Synonyms	Basic Red 46 intermediate; C.I. 110825 intermediate; 1-[2-({4-[(2,6-Dichloro-4-nitrophenyl)diazenyl]phenyl}ethylamino)ethyl]pyridin-1-ium hydrogen sulfate; Pyridinium, 1-[2-[[4-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]ethylamino]ethyl]-, sulfate (1:1); Cationic azo dye precursor; 1-[2-(4-[(2,6-Dichloro-4-nitrophenyl)hydrazono]cyclohexa-2,5-dien-1-ylidene)ethylamino]ethyl]pyridinium hydrogen sulfate
EINECS	Contact for details

Quality Control

Our production of 1-[2-[[4-[(2,6-Dichloro-4-Nitrophenyl)Azo]Phenyl]Ethylamino]Ethyl]Pyridinium Hydrogen Sulphate adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) documenting key parameters are provided with each shipment.

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 tightly sealed when not in use to prevent degradation from atmospheric moisture.

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%
Heavy Metals	≤ 20 ppm
Residual Solvents	Meets ICH guidelines

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