Description

3-[(1,2-Dimethyl-1H-Indol-3-Yl)Azo]-1,5-Dimethyl-2-Phenyl-1H-Pyrazolium Chloride is a specialized cationic azo dye intermediate with significant commercial value in high-performance colorant synthesis. Its molecular structure is engineered to provide excellent color fastness and thermal stability, making it a critical component for demanding applications. This compound is primarily sought by manufacturers in the textile, inkjet printing, and specialty polymer industries for producing vibrant and durable dyes and pigments.

Application

• Textile Dyeing: As a key intermediate for synthesizing cationic dyes used on acrylic, modacrylic, and polyamide fibers, offering brilliant shades and superior wash-fastness.
• Inkjet Inks: Used in the production of high-quality pigment dispersions for industrial and photographic-grade inks, ensuring color consistency and nozzle stability.
• Specialty Coatings: Employed in formulating coatings for plastics and metals where enhanced color intensity and UV resistance are required.
• Biological Staining: Potential use as a staining agent in histology and microscopy due to its specific affinity and chromogenic properties.
• Functional Polymer Synthesis: Acts as a monomer or modifier in creating colored polymers with specific optical or electronic characteristics.
• Research & Development: Serves as a building block in organic synthesis and material science research for developing novel chromophores.

Basic Information

Product Name	3-[(1,2-Dimethyl-1H-Indol-3-Yl)Azo]-1,5-Dimethyl-2-Phenyl-1H-Pyrazolium Chloride
CAS No.	89923-55-7
Molecular Formula	C21H22ClN5
Molecular Weight	379.89 g/mol
Synonyms	Basic Red 46 (C.I. 110825); 1,5-Dimethyl-2-phenyl-3-[(1,2-dimethyl-3-indolyl)azo]-1H-pyrazolium chloride; Cationic Red GTL; Astrazon Red GTL; Azoic diazo component 46; Pyrazolium, 1,5-dimethyl-2-phenyl-3-[(1,2-dimethyl-1H-indol-3-yl)azo]-, chloride; 1H-Pyrazolium, 3-[(1,2-dimethyl-1H-indol-3-yl)azo]-1,5-dimethyl-2-phenyl-, chloride
EINECS	Contact for details

Quality Control

Our production of 3-[(1,2-Dimethyl-1H-Indol-3-Yl)Azo]-1,5-Dimethyl-2-Phenyl-1H-Pyrazolium Chloride adheres to a stringent quality management system. Every batch is analyzed using advanced techniques like HPLC and spectrophotometry to ensure consistent purity, chromaticity, and chemical identity. Certificates of Analysis (COA) detailing assay, impurity profile, and physical specifications are provided to guarantee compliance with your technical requirements 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 a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); therefore, the container must be kept tightly sealed after each use to prevent absorption of atmospheric moisture, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in water, ethanol; slightly soluble in acetone
λmax (in suitable solvent)	Contact for details

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