Description

3-Ethyl-2-[3-(3-Ethyl-3H-Benzoselenazol-2-Ylidene)Isobut-1-Enyl]Benzoselenazolium Iodide is a specialized organic selenium compound belonging to the cyanine dye family, valued for its unique photophysical properties. This chemical is a critical intermediate and functional material in advanced research and high-tech manufacturing. It is primarily sought by industries and research institutions focused on developing next-generation optical and electronic materials.

Application

• Near-Infrared (NIR) Sensitizer: Key component in the formulation of dyes for NIR-sensitive photographic films, security inks, and optical data storage media.
• Optical Material Synthesis: Serves as a precursor for synthesizing advanced organic semiconductors and non-linear optical (NLO) materials.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer in medical research for targeted cancer treatments due to its light-absorbing characteristics.
• Laser Dye & Sensor Development: Used in the development of tunable laser dyes and chemical sensors that operate in specific wavelength ranges.
• Academic & Industrial R&D: Essential for fundamental research in organic chemistry, material science, and photochemistry for exploring new chromophores.

Basic Information

Product Name	3-Ethyl-2-[3-(3-Ethyl-3H-Benzoselenazol-2-Ylidene)Isobut-1-Enyl]Benzoselenazolium Iodide
CAS No.	7310-87-4
Molecular Formula	C24H25IN2Se2
Molecular Weight	667.21 g/mol
Synonyms	3-Ethyl-2-[(1E,3E)-3-(3-ethyl-2(3H)-benzoselenazolylidene)-1-methyl-1-propen-1-yl]benzoselenazolium iodide; Benzoxaselenolium, 2-[3-(3-ethyl-2(3H)-benzoselenazolylidene)-1-methyl-1-propenyl]-3-ethyl-, iodide; Cyanine dye selenium analog; NIR cyanine dye; Heptamethine cyanine dye derivative; 3H-1,3-Benzoselenazole, 2-[3-(3-ethyl-2(3H)-benzoselenazolylidene)-1-methyl-1-propenyl]-3-ethyl-, iodide
EINECS	Contact for details

Quality Control

Every batch of our 3-Ethyl-2-[3-(3-Ethyl-3H-Benzoselenazol-2-Ylidene)Isobut-1-Enyl]Benzoselenazolium Iodide is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the precise requirements for research and industrial applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for all shipments.

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 hygroscopic (moisture-sensitive) nature, the container must be kept sealed in a dry environment to prevent degradation. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
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.