Description

4-[(E)-2-(2-Chloro-3-((E)-2-[1-Ethyl-4(1H)-Quinolinylidene]Ethylidene)-1-Cyclohexen-1-Yl)Ethenyl]-1-Ethylquinolinium Iodide is a high-purity, synthetic cyanine dye salt, valued for its exceptional photophysical properties and chemical stability. This compound serves as a critical functional material in advanced research and technology development, enabling precise light absorption and emission control. It is primarily sought by manufacturers and researchers in the photovoltaics, optical data storage, and biomedical imaging sectors for developing next-generation devices and probes.

Application

• Organic Photovoltaic (OPV) Cells: As a key light-harvesting or electron transport material in the active layer of solar cells.
• Optical Data Storage Media: As a recording layer dye for high-density writable optical discs (e.g., CD-R, DVD-R).
• Fluorescent Probes & Sensors: For labeling biomolecules, cellular imaging, and developing chemical sensors due to its tunable fluorescence.
• Nonlinear Optical (NLO) Materials: As a chromophore for applications in photonics, including optical switching and frequency conversion.
• Laser Dyes: As a gain medium in tunable dye lasers for specific wavelength ranges.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer for targeted cancer treatments.

Basic Information

Product Name	4-[(E)-2-(2-Chloro-3-((E)-2-[1-Ethyl-4(1H)-Quinolinylidene]Ethylidene)-1-Cyclohexen-1-Yl)Ethenyl]-1-Ethylquinolinium Iodide
CAS No.	65303-21-1
Molecular Formula	C31H30ClIN2
Molecular Weight	593.94 g/mol
Synonyms	1-Ethyl-4-[(1E,3E,5E)-5-(1-Ethyl-1H-quinolin-4(1H)-ylidene)penta-1,3-dien-1-yl]quinolinium Iodide; 1,1'-Diethyl-4,4'-carbocyanine Iodide (with chloro-substituted bridge); Cryptocyanine; Dye for DVD-R; IR-140; NK-2776; Quinolinium, 4-[2-[2-chloro-3-[(1E)-2-(1-ethyl-4(1H)-quinolinylidene)ethylidene]-1-cyclohexen-1-yl]ethenyl]-1-ethyl-, iodide (1:1)
EINECS	Contact for details

Quality Control

Every batch of our cyanine dye is produced and analyzed under strict quality management protocols. We employ advanced analytical techniques including HPLC, NMR, and mass spectrometry to verify identity, purity, and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing purity, absorbance/fluorescence maxima, and impurity profiles is provided with each shipment to ensure it meets your precise research or manufacturing specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is light-sensitive and should be handled under appropriate conditions to prevent degradation.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (UV-Vis)	Conforms to reference standard
Purity (HPLC)	≥ 98.0% (Area %)
λmax (Absorption)	760 nm ± 5 nm (in methanol)
Loss on Drying	≤ 1.0 %
Residue on Ignition	≤ 0.5 %

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