Description

1-Ethyl-2-[(E)-2-(3-((E)-2-[1-Ethyl-2(1H)-Quinolinylidene]Ethylidene)-2-Methoxy-1-Cyclohexen-1-Yl)Ethenyl]Quinolinium Iodide is a specialized cyanine dye salt with a complex polymethine structure, offering unique photophysical properties. This compound is valued for its strong near-infrared (NIR) absorption and fluorescence, making it a critical functional material in advanced research and development. It is primarily sought by manufacturers and researchers in the fields of optical data storage, laser technology, and as a sensitizer in photodynamic therapy.

Application

• Optical Data Storage Media: As a key dye component in recordable (R) and rewritable (RW) compact discs (CDs) and digital versatile discs (DVDs) for absorbing laser light.
• Laser Dyes & Optical Filters: Utilized in the formulation of tunable dye lasers and the manufacture of optical filters due to its specific absorption/emission profile.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer for cancer treatment, where it generates reactive oxygen species upon light activation.
• Non-Linear Optical Materials: Incorporated into polymers and crystals for applications in photonics, including optical switching and limiting.
• Biomedical Imaging & Sensing: Used in the development of fluorescent probes and labels for bioanalytical assays and cellular imaging in the NIR window.
• Solar Cell Research: Studied as a component in dye-sensitized solar cells (DSSCs) for light harvesting.

Basic Information

Product Name	1-Ethyl-2-[(E)-2-(3-((E)-2-[1-Ethyl-2(1H)-Quinolinylidene]Ethylidene)-2-Methoxy-1-Cyclohexen-1-Yl)Ethenyl]Quinolinium Iodide
CAS No.	70446-28-5
Molecular Formula	C31H31IN2O
Molecular Weight	574.50 g/mol
Synonyms	1-Ethyl-2-[(E)-2-(3-((E)-2-(1-Ethylquinolin-2(1H)-ylidene)ethylidene)-2-methoxycyclohex-1-en-1-yl)vinyl]quinolin-1-ium iodide; Cyanine dye 70446-28-5; Quinolinium, 1-ethyl-2-[(E)-2-[3-[(E)-2-(1-ethyl-2(1H)-quinolinylidene)ethylidene]-2-methoxy-1-cyclohexen-1-yl]ethenyl]-, iodide (1:1); NIR Cyanine Dye; Heptamethine cyanine dye derivative; Optical Storage Dye
EINECS	Contact for details

Quality Control

Our production of this high-purity functional dye adheres to stringent quality protocols. Every batch is characterized using advanced analytical techniques including HPLC, NMR, and UV-Vis-NIR spectroscopy to ensure structural integrity and performance consistency. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and spectral properties is provided with each shipment to support your R&D and manufacturing requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) in a cool, dry place. This material is light-sensitive and easily oxidized; prolonged exposure to air and light will degrade its performance.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Identification (UV-Vis)	Conforms to reference spectrum
Purity (HPLC)	≥ 95.0% (Area %)
Loss on Drying	≤ 2.0 %
Residue on Ignition	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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