Description

3-[(1,2-Dimethyl-1H-Indol-3-Yl)Azo]-1,5-Dimethyl-2-Phenyl-1H-Pyrazolium Methyl Sulphate is a specialized cationic azo dye intermediate, valued for its intense color properties and structural versatility. This compound is critical for synthesizing high-performance dyes and pigments with excellent fastness and application-specific characteristics. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries for developing advanced coloring agents.

Application

• Textile Dyeing: As a key intermediate for cationic dyes used on acrylic, modacrylic, and polyamide fibers.
• Ink Formulation: For producing high-quality inks in jet printing, packaging, and security printing applications.
• Specialty Pigments: In the synthesis of organic pigments for plastics, coatings, and masterbatches.
• Biological Staining: Potential use as a precursor for histological stains and biological markers in research.
• Photographic Sensitizers: In the development of light-sensitive materials and photographic chemicals.
• Liquid Crystal Displays (LCDs): As a colorant or dopant in the manufacturing of display components.

Basic Information

Product Name	3-[(1,2-Dimethyl-1H-Indol-3-Yl)Azo]-1,5-Dimethyl-2-Phenyl-1H-Pyrazolium Methyl Sulphate
CAS No.	89923-54-6
Molecular Formula	C22H25N5O4S
Molecular Weight	455.53 g/mol
Synonyms	Basic Red 46 (C.I. 110825); 1,5-Dimethyl-2-phenyl-3-[(1,2-dimethyl-3-indolyl)azo]-4-pyrazolium methyl sulfate; Astrazon Red FBL; Azoic diazo component 46; Cationic Red X-GRL; Sevron Red L; Pyrazolium, 3-[(1,2-dimethyl-1H-indol-3-yl)azo]-1,5-dimethyl-2-phenyl-, methyl sulfate
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 Methyl Sulphate adheres to stringent quality protocols to ensure batch-to-batch consistency and purity. All material is tested against rigorous in-house specifications, which are aligned with industry standards for dye intermediates. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every 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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in water, DMF, DMSO

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