Description

1,5-Dimethyl-3-[(2-Methyl-1H-Indol-3-Yl)Azo]-2-Phenyl-1H-Pyrazolium Methyl Sulphate is a specialized cationic azo dye intermediate with a complex heterocyclic structure. This compound is valued for its role in synthesizing high-performance dyes and pigments, offering excellent color fastness and application versatility. It is primarily utilized by manufacturers in the textile, ink, and specialty chemical industries seeking advanced chromophores for demanding applications.

Application

• Textile Dyeing: A key intermediate for cationic dyes used on acrylic, modified nylon, and polyester fibers.
• Ink Formulation: Used in the production of high-quality inks for jet printing, packaging, and security applications.
• Specialty Pigments: Serves as a precursor for organic pigments in coatings, plastics, and masterbatches.
• Research & Development: Employed in academic and industrial R&D for developing novel chromogenic materials and sensors.
• Biological Staining: Potential use as a staining agent in histology and microscopy due to its cationic and chromophoric properties.
• Photographic Sensitizers: Can be investigated for use in light-sensitive layers for photographic and imaging technologies.

Basic Information

Item	Details
Product Name	1,5-Dimethyl-3-[(2-Methyl-1H-Indol-3-Yl)Azo]-2-Phenyl-1H-Pyrazolium Methyl Sulphate
CAS No.	29508-48-3
Molecular Formula	C21H23N5O4S
Molecular Weight	441.50 g/mol
Synonyms	Basic Red 46 (C.I. 110825); 1,5-Dimethyl-3-[(2-methyl-1H-indol-3-yl)azo]-2-phenyl-1H-pyrazolium methyl sulfate; Cationic Red GTL; Aizen Cathilon Red GTLH; Astrazon Red GTL; Sumiacryl Red G; Pyrazolium, 1,5-dimethyl-3-[(2-methyl-1H-indol-3-yl)azo]-2-phenyl-, methyl sulfate
EINECS	Contact for details

Quality Control

Our production of 1,5-Dimethyl-3-[(2-Methyl-1H-Indol-3-Yl)Azo]-2-Phenyl-1H-Pyrazolium Methyl Sulphate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. A detailed Certificate of Analysis (COA) is provided with each shipment, guaranteeing traceability and product integrity.

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). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

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%
Ash Content	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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