Description

1,3,3-Trimethyl-2-[[Methyl[4-(Phenylazo)Phenyl]Hydrazono]Methyl]-3H-Indolium Hydrogen Sulphate is a high-purity cationic dye intermediate and analytical reagent. This compound is valued for its role as a key precursor in synthesizing specialized dyes, pigments, and colorants for advanced applications. It is essential for manufacturers and R&D laboratories in the dye, textile, and specialty chemical industries seeking consistent quality and reliable supply.

Application

• Dye & Pigment Synthesis: A critical intermediate for producing cationic dyes, particularly for acrylic and modified polyacrylonitrile fibers.
• Textile Industry: Used in the manufacturing of colorants for dyeing and printing textiles to achieve vibrant, wash-fast colors.
• Analytical Chemistry: Serves as a reagent and indicator in specific spectrophotometric and colorimetric analytical methods.
• Specialty Inks: A component in the formulation of high-performance inks for specialized printing applications.
• Research & Development: Utilized in organic synthesis and material science research for developing new chromophores and functional dyes.
• Biological Staining: Potential application as a staining agent in histological and cytological studies, subject to specific grade purity.

Basic Information

Product Name	1,3,3-Trimethyl-2-[[Methyl[4-(Phenylazo)Phenyl]Hydrazono]Methyl]-3H-Indolium Hydrogen Sulphate
CAS No.	83949-97-7
Molecular Formula	C25H27N5O4S
Molecular Weight	493.58 g/mol
Synonyms	Basic Red 46:1; C.I. 110825; Astrazon Red GTL; 3H-Indolium, 1,3,3-trimethyl-2-[[methyl[4-(phenylazo)phenyl]hydrazono]methyl]-, sulfate (1:1); Maxilon Red GRL; Aizen Cathilon Red GLH; Cationic Red GTL; DyStar Red GTL
EINECS	Contact for details

Quality Control

Our production of 1,3,3-Trimethyl-2-[[Methyl[4-(Phenylazo)Phenyl]Hydrazono]Methyl]-3H-Indolium Hydrogen Sulphate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency meet exacting specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

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 after opening to prevent degradation from atmospheric moisture.

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%
Residue on Ignition (Sulfated Ash)	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 5.0%

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