Description

[5-[[4-(4-Chlorophenoxy)Phenyl]Azo]-3-Cyano-6-Hydroxy-4-Methyl-2-Oxo-(2H)-Pyridine-1-Propyl](Trimethyl)Ammonium Chloride is a specialized cationic azo dye intermediate with a complex molecular structure designed for high-performance applications. Its value lies in its ability to impart color and functional properties to synthetic materials, offering excellent lightfastness and thermal stability. This compound is essential for manufacturers in the textile, specialty ink, and advanced polymer industries seeking to develop vibrant, durable colorants and functional additives.

Application

• Textile Dyeing and Printing: As a key intermediate for synthesizing cationic dyes used on acrylic, modacrylic, and polyester fibers.
• Specialty Inks: Formulation of high-performance inks for jet printing, security printing, and packaging applications requiring color consistency.
• Functional Polymer Additives: Modification of polymer chains to introduce chromophoric or charge-bearing groups for specialized material properties.
• Research & Development: Serving as a building block in organic synthesis for novel photochromic or electrochromic materials.
• Analytical Chemistry: Potential use as a staining agent or indicator in specific biochemical or histochemical assays.
• Liquid Crystal Displays (LCDs): As a precursor for dyes used in color filters for display technologies.

Basic Information

Product Name	[5-[[4-(4-Chlorophenoxy)Phenyl]Azo]-3-Cyano-6-Hydroxy-4-Methyl-2-Oxo-(2H)-Pyridine-1-Propyl](Trimethyl)Ammonium Chloride
CAS No.	71873-54-6
Molecular Formula	C25H27Cl2N5O3
Molecular Weight	516.42 g/mol
Synonyms	Basic Red 46:1 (related salt); C.I. 110825; 1-Propyl-3-cyano-6-hydroxy-4-methyl-2-oxo-5-[[4-(4-chlorophenoxy)phenyl]azo]pyridinium chloride, trimethylammonium derivative; Cationic Azo Dye Intermediate; 5-[(4-(4-Chlorophenoxy)phenyl)azo]-3-cyano-6-hydroxy-4-methyl-2-oxo-1-(3-(trimethylammonio)propyl)-1,2-dihydropyridinium dichloride; 71873-54-6; Trimethyl-[3-[5-[[4-(4-chlorophenoxy)phenyl]azo]-3-cyano-6-hydroxy-4-methyl-2-oxo-1H-pyridin-1-yl]propyl]azanium chloride
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management systems to ensure batch-to-batch consistency and purity. Each lot undergoes comprehensive analysis using techniques including HPLC, UV-Vis spectroscopy, and elemental analysis to verify identity and assay. A detailed Certificate of Analysis (COA) documenting purity, impurity profile, and physical characteristics is provided with every shipment to support your quality assurance protocols.

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 nature, the container must be kept tightly sealed after opening to minimize exposure to 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%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines
pH (1% Solution)	4.0 - 7.0

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