Description

1-Ethyl-4-[(1-Ethyl-2(1H)-Pyridylidene)Methyl]Quinolinium Iodide is a specialized organic salt belonging to the cyanine dye family, valued for its distinct photophysical properties. This compound is critical for advanced research and development in fields requiring precise light absorption and emission characteristics. It serves as a key intermediate and functional material for scientists and engineers in the photonics, analytical chemistry, and materials science sectors.

Application

• Sensitizing Dye Intermediate: A crucial building block for synthesizing near-infrared (NIR) cyanine dyes used in photographic and imaging technologies.
• Optical Material Research: Employed in the development of novel organic semiconductors, non-linear optical (NLO) materials, and light-harvesting complexes.
• Analytical Chemistry Reagent: Used as a fluorescent probe or tag in spectroscopic analysis and bio-imaging applications due to its modifiable structure.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer precursor for medical and therapeutic light-based applications.
• Laser Dye Component: Serves as a core structure for tuning and developing dyes used in tunable lasers and optical amplifiers.
• Academic & Industrial R&D: A high-purity chemical for fundamental research in organic synthesis, photochemistry, and supramolecular chemistry.

Basic Information

Product Name	1-Ethyl-4-[(1-Ethyl-2(1H)-Pyridylidene)Methyl]Quinolinium Iodide
CAS No.	84255-08-3
Molecular Formula	C19H21IN2
Molecular Weight	404.29 g/mol
Synonyms	1-Ethyl-4-[(1-ethyl-2(1H)-pyridinylidene)methyl]quinolinium iodide; Quinolinium, 1-ethyl-4-[(1-ethyl-2(1H)-pyridinylidene)methyl]-, iodide; Cyanine dye intermediate; NIR dye precursor; 4-[(1-Ethyl-2(1H)-pyridylidene)methyl]-1-ethylquinolinium iodide
EINECS	Contact for details

Quality Control

Our production of 1-Ethyl-4-[(1-Ethyl-2(1H)-Pyridylidene)Methyl]Quinolinium Iodide adheres to stringent quality management protocols. Each batch is analytically verified to ensure identity, purity, and consistency, meeting the exacting standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; ensure containers are sealed immediately after use to minimize exposure to atmospheric moisture and light.

Specification

Item	Specification
Appearance	Dark green to brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 2.0%
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.