Description

1,3,3-Trimethyl-2-[(Methylphenylhydrazono)Methyl]-3H-Indolium Hydrogen Sulphate is a specialized cationic dye intermediate and a key chemical building block. Its unique indolium structure makes it valuable for synthesizing advanced functional dyes and pigments with specific optical properties. This compound is primarily sought by manufacturers in the dye and pigment, specialty chemical, and advanced materials research sectors.

Application

• Synthesis of Cationic Dyes: A crucial precursor for producing cyanine and other cationic dyes used in textiles, paper, and leather.
• Functional Pigment Manufacturing: Used in the creation of high-performance pigments for inks, coatings, and plastics.
• Photographic Sensitizers: Acts as a key intermediate in the production of spectral sensitizers for photographic films and plates.
• Optical Data Storage Materials: Employed in research and development of materials for optical recording media.
• Laser Dye Intermediates: Serves as a building block for synthesizing dyes used in tunable dye lasers and other photonic applications.
• Biomedical Staining Agents: Used in the development of specialized staining agents for biological and histological applications.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D in organic synthesis and materials science.

Basic Information

Item	Details
Product Name	1,3,3-Trimethyl-2-[(Methylphenylhydrazono)Methyl]-3H-Indolium Hydrogen Sulphate
CAS No.	65121-73-5
Molecular Formula	C19H23N3O4S
Molecular Weight	389.47 g/mol
Synonyms	1,3,3-Trimethyl-2-[(methylphenylhydrazono)methyl]-3H-indolium hydrogen sulfate; 2-[(Methylphenylhydrazono)methyl]-1,3,3-trimethyl-3H-indolium hydrogen sulfate; 1,3,3-Trimethyl-2-(N-methyl-N-phenylhydrazonomethyl)indoleninium hydrogen sulfate; Fischer's Base Aldehyde Methylphenylhydrazone Hydrogen Sulfate; C.I. 48055; Basic Red 12:1 (related salt); Indolium, 1,3,3-trimethyl-2-[(methylphenylhydrazono)methyl]-, hydrogen sulfate
EINECS	Contact for details

Quality Control

Our production of 1,3,3-Trimethyl-2-[(Methylphenylhydrazono)Methyl]-3H-Indolium Hydrogen Sulphate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods. Certificates of Analysis (COA) detailing all critical parameters are provided to ensure traceability and compliance with your specifications.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Dark green to brown crystalline powder
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

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