Description

1,3,3-Trimethyl-2-[[Methyl(p-Tolyl)Hydrazono]Methyl]-3H-Indolium Hydroxide is a specialized cationic indole derivative, a key intermediate in the synthesis of advanced functional dyes and pigments. Its value lies in its precise molecular structure, which enables the development of materials with specific optical and electronic properties for high-tech applications. This compound is essential for manufacturers and R&D laboratories in the photographic, imaging, and specialty chemical industries seeking to innovate in colorant technology.

Application

• Key Intermediate for Cyanine Dyes: Serves as a critical precursor in the synthesis of heptamethine cyanine dyes used in photographic sensitizers and infrared-absorbing materials.
• Specialty Pigment Synthesis: Utilized in the production of high-performance pigments for inks, coatings, and plastics requiring specific color fastness and stability.
• Research & Development: A valuable building block in organic synthesis for academic and industrial research focused on novel chromophores and fluorophores.
• Optical Recording Media: Potential application in the formulation of dyes for recordable optical discs (CD-R, DVD-R) and other data storage technologies.
• Laser and Nonlinear Optical Materials: Investigated for use in the development of materials for laser applications and nonlinear optics due to its conjugated system.
• Biomedical Imaging Probes: Acts as a synthetic intermediate for near-infrared (NIR) fluorescent dyes used in bioimaging and diagnostic assays.

Basic Information

Product Name	1,3,3-Trimethyl-2-[[Methyl(p-Tolyl)Hydrazono]Methyl]-3H-Indolium Hydroxide
CAS No.	97403-89-9
Molecular Formula	C20H25N3O
Molecular Weight	323.43 g/mol
Synonyms	2-[[Methyl(4-methylphenyl)hydrazono]methyl]-1,3,3-trimethyl-3H-indolium hydroxide; 1,3,3-Trimethyl-2-[(methyl-p-tolylhydrazono)methyl]indolium hydroxide; Fischer's Base p-Tolylhydrazone Salt; Indolium, 1,3,3-trimethyl-2-[[methyl(p-tolyl)hydrazono]methyl]-, hydroxide; Cyanine dye intermediate; TMIH; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of 1,3,3-Trimethyl-2-[[Methyl(p-Tolyl)Hydrazono]Methyl]-3H-Indolium Hydroxide adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity for sensitive synthetic applications. All materials are characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Orange to dark red crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Standard Grade)
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%

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