Description

3-Ethyl-2-[2-[(3-Ethyl-5-Methoxy-3H-Benzoselenazol-2-Ylidene)Methyl]But-1-Enyl]-5-Methoxybenzoselenazolium 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 focused on developing next-generation optical and electronic materials, where precise molecular structure dictates performance.

Application

• Near-Infrared (NIR) Sensitizers: Key component in the formulation of dyes for NIR photography, security inks, and optical data storage.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer for cancer treatment due to its light-absorbing characteristics.
• Organic Photovoltaic (OPV) Cells: Used in research and development of light-absorbing layers for solar energy conversion.
• Non-Linear Optical (NLO) Materials: Serves as a building block for compounds with applications in telecommunications, optical switching, and signal processing.
• Laser Dyes and Optical Filters: Employed in the synthesis of tunable laser dyes and high-performance optical filter coatings.
• Chemical Sensors: Utilized in the development of selective chemosensors and biosensors that rely on optical signal changes.
• Academic and Industrial R&D: A vital reagent for synthetic chemistry and materials science research in both university and corporate laboratories.

Basic Information

Product Name	3-Ethyl-2-[2-[(3-Ethyl-5-Methoxy-3H-Benzoselenazol-2-Ylidene)Methyl]But-1-Enyl]-5-Methoxybenzoselenazolium Iodide
CAS No.	68555-40-8
Molecular Formula	C26H31IN2O2Se2
Molecular Weight	713.27 g/mol
Synonyms	3-Ethyl-2-[(1E,3E)-4-(3-ethyl-5-methoxy-2(3H)-benzoselenazolylidene)-1,3-butadienyl]-5-methoxybenzoselenazolium iodide; 3,3'-Diethyl-5,5'-dimethoxythiaselenacarbocyanine iodide; NIR Cyanine Dye Selenium Analog; Benzoseleazolium, 3-ethyl-2-[2-[(3-ethyl-5-methoxy-3H-benzoselenazol-2-ylidene)methyl]-1-butenyl]-5-methoxy-, iodide; Heptamethine Cyanine Dye Derivative; 68555-40-8; Light-sensitive cyanine dye
EINECS	Contact for details

Quality Control

Every batch of 3-Ethyl-2-[2-[(3-Ethyl-5-Methoxy-3H-Benzoselenazol-2-Ylidene)Methyl]But-1-Enyl]-5-Methoxybenzoselenazolium Iodide is manufactured under strict quality management systems and undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Our products are supported by a detailed Certificate of Analysis (COA) that includes key spectroscopic and chromatographic data. We adhere to ISO-guided practices for research-grade chemicals, providing traceability and reliability for your critical applications.

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 product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed in a desiccated environment and handled under low-light conditions to prevent degradation.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Solubility	Soluble in DMSO, DMF; sparingly soluble in methanol

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