Description

3-Ethyl-2-[[1-Ethyl-4-[(3-Ethyl-3H-Benzoselenazol-2-Ylidene)Ethylidene]-5-Oxo-3-Phenylimidazolidin-2-Ylidene]Methyl]Benzoselenazolium Iodide is a specialized selenium-containing cyanine dye with unique photophysical properties. This compound is valued for its strong near-infrared (NIR) absorption and fluorescence, making it a critical functional material in advanced optical applications. It is primarily sought by researchers and manufacturers in the photovoltaics, optical data storage, and biomedical imaging sectors.

Application

• NIR-Sensitizing Dye for Dye-Sensitized Solar Cells (DSSCs): Used as a photosensitizer to extend light absorption into the near-infrared region, improving solar energy conversion efficiency.
• Optical Recording Media: A key component in the formulation of advanced optical discs and holographic data storage materials due to its specific light-absorbing characteristics.
• Fluorescent Probe/Labeling Agent: Employed in bioimaging and diagnostic assays where deep tissue penetration with minimal background interference is required.
• Non-Linear Optical (NLO) Materials: Used in the research and development of devices for optical switching, signal processing, and frequency conversion.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer for cancer treatment, leveraging its ability to generate reactive oxygen species upon light activation.
• Laser Dye and Optical Filter Manufacturing: Serves as a tunable dye for specific laser wavelengths and in the production of specialized optical filters.

Basic Information

Product Name	3-Ethyl-2-[[1-Ethyl-4-[(3-Ethyl-3H-Benzoselenazol-2-Ylidene)Ethylidene]-5-Oxo-3-Phenylimidazolidin-2-Ylidene]Methyl]Benzoselenazolium Iodide
CAS No.	93964-28-4
Molecular Formula	C36H35IN4OSe2
Molecular Weight	889.52 g/mol
Synonyms	IR-1061 Dye; Selenium Cyanine Dye IR-1061; 3H-Benzoselenazolium, 2-[[1-ethyl-4-[(3-ethyl-3H-benzoselenazol-2-ylidene)ethylidene]-5-oxo-3-phenyl-2-imidazolidinylidene]methyl]-3-ethyl-, iodide; 2-((1-Ethyl-4-((3-ethylbenzoselenazol-2(3H)-ylidene)ethylidene)-5-oxo-3-phenylimidazolidin-2-ylidene)methyl)-3-ethylbenzoselenazol-3-ium Iodide; NIR Dye IR-1061; Benzisoselenazolium Dye; Heptamethine Cyanine Dye with Selenium; 93964-28-4
EINECS	Contact for details

Quality Control

Our production of this high-value specialty dye adheres to strict quality control protocols to ensure batch-to-batch consistency and performance reliability. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and UV-Vis-NIR spectroscopy to confirm identity, purity, and spectral properties. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its light-sensitive nature, handling and packaging should be performed under subdued light conditions to prevent photodegradation.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Identification (UV-Vis)	λmax conforms
Purity (HPLC)	≥ 95.0%
Moisture Content (KF)	≤ 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.