Description

1,3,3-Trimethyl-2-[[Methyl(p-Tolyl)Hydrazono]Methyl]-3H-Indolium Thiocyanate is a specialized cationic dye intermediate belonging to the cyanine dye family, valued for its distinct photophysical properties. This compound is essential for synthesizing advanced functional dyes used in high-sensitivity detection and imaging applications. It is primarily required by manufacturers in the analytical chemistry, biotechnology, and specialty chemical sectors for developing sensors, markers, and photographic sensitizers.

Application

• Photosensitizer Synthesis: A key precursor for manufacturing cyanine-based photosensitizers used in photodynamic therapy and optical materials.
• Fluorescent Probe & Marker Production: Used in the synthesis of near-infrared (NIR) fluorescent dyes for biological labeling and bio-imaging applications.
• Analytical Reagent Formulation: Employed in the development of colorimetric and fluorometric reagents for ion detection and chemical sensing.
• Photographic Industry: Serves as a spectral sensitizer in the production of silver halide photographic emulsions to extend light sensitivity.
• Nonlinear Optical Materials: A building block for creating organic compounds with potential applications in optoelectronics and photonics.
• Research & Development: Utilized in academic and industrial R&D for exploring new dye chemistry, energy transfer systems, and light-harvesting arrays.

Basic Information

Product Name	1,3,3-Trimethyl-2-[[Methyl(p-Tolyl)Hydrazono]Methyl]-3H-Indolium Thiocyanate
CAS No.	84196-23-6
Molecular Formula	C21H24N4S
Molecular Weight	364.51 g/mol
Synonyms	1,3,3-Trimethyl-2-[(methyl-p-tolylhydrazono)methyl]-3H-indolium thiocyanate; 2-[[Methyl(4-methylphenyl)hydrazono]methyl]-1,3,3-trimethyl-3H-indolium thiocyanate; Cyanine dye intermediate 84196-23-6; Thiocyanic acid, 1,3,3-trimethyl-2-[(methyl-p-tolylhydrazono)methyl]-3H-indolium salt; p-Tolylhydrazone indolium dye salt; Fischer's base hydrazone derivative
EINECS	Contact for details

Quality Control

Our production of 1,3,3-Trimethyl-2-[[Methyl(p-Tolyl)Hydrazono]Methyl]-3H-Indolium Thiocyanate adheres to stringent in-process controls to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications using advanced techniques like HPLC and NMR. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request to support your quality assurance protocols.

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 each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark green to brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 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.