Description

3-Ethyl-2-[3-(3-Ethyl-3H-Benzoselenazol-2-Ylidene)Prop-1-Enyl]Benzothiazolium Iodide is a specialized cyanine dye derivative, valued for its unique photophysical properties derived from the combination of benzothiazole and benzoselenazole heterocycles. This compound is critical for applications requiring precise light absorption and emission characteristics in the near-infrared (NIR) region. It is primarily utilized by researchers and manufacturers in the fields of optical materials, advanced imaging, and photodynamic therapy.

Application

• NIR Fluorescent Probes: Used as a key chromophore in the development of near-infrared fluorescent dyes and labels for biological imaging and diagnostics.
• Optical Data Storage: Serves as a functional material in the research and development of advanced optical recording media.
• Photodynamic Therapy (PDT) Agents: Investigated as a potential photosensitizer component for targeted cancer treatments.
• Laser Dyes & Non-linear Optics: Employed in the synthesis of dyes for tunable lasers and materials for non-linear optical applications.
• Chemical Sensors: Acts as a sensing element in the design of selective chemosensors for metal ions or other analytes.
• Organic Semiconductor Research: Used as a building block in the development of novel organic electronic materials.

Basic Information

Product Name	3-Ethyl-2-[3-(3-Ethyl-3H-Benzoselenazol-2-Ylidene)Prop-1-Enyl]Benzothiazolium Iodide
CAS No.	32835-32-8
Molecular Formula	C21H21IN2SSe
Molecular Weight	555.24 g/mol
Synonyms	3-Ethyl-2-[(1E,3E)-3-(3-ethyl-2(3H)-benzoselenazolylidene)-1-propen-1-yl]benzothiazolium iodide; Benzothiazolium, 3-ethyl-2-[3-(3-ethyl-3H-benzoselenazol-2-ylidene)-1-propenyl]-, iodide; Cyanine dye selenium analog; NIR cyanine dye with selenium; 3,3'-Diethylthiaselenacarbocyanine iodide; 3-Ethyl-2-[3-(3-ethylbenzoselenazol-2(3H)-ylidene)propenyl]benzothiazol-3-ium iodide
EINECS	Contact for details

Quality Control

Our 3-Ethyl-2-[3-(3-Ethyl-3H-Benzoselenazol-2-Ylidene)Prop-1-Enyl]Benzothiazolium Iodide is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, MS), to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) with detailed specifications are available upon request.

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 product is hygroscopic (moisture-sensitive) and light-sensitive; ensure the container is sealed tightly after each use to minimize exposure to atmospheric moisture and light.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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