Description

3-(2-Carboxyethyl)-2-[2-[[3-(2-Carboxyethyl)-5-Methyl-(3H)-Benzoselenazol-2-Ylidene]Methyl]But-1-Enyl]-5-Methylbenzoselenazolium Bromide is a specialized organic selenium compound belonging to the cyanine dye family, distinguished by its benzoselenazolium core structure. This compound is valued for its unique photophysical properties, making it a critical functional material in advanced technological applications. It is primarily sought by manufacturers and research institutions in the fields of optical materials, semiconductor research, and specialized dye synthesis.

Application

• Optical Limiting Materials: Used in the development of devices for laser protection and optical signal processing due to its nonlinear optical properties.
• Semiconductor Research: Investigated as a potential component in organic photovoltaics (OPVs) and dye-sensitized solar cells (DSSCs) for light-harvesting.
• Fluorescent Probes & Sensors: Serves as a building block for synthesizing near-infrared (NIR) fluorescent dyes for biological imaging and chemical sensing.
• Photodynamic Therapy (PDT) Agents: Explored in medical research for the development of photosensitizers used in cancer treatment.
• Advanced Dye Synthesis: A key intermediate for producing specialized cyanine and polymethine dyes with specific absorption/emission profiles.
• Nonlinear Optics (NLO): Applied in the fabrication of materials for frequency doubling, electro-optic modulation, and optical data storage.

Basic Information

Item	Details
Product Name	3-(2-Carboxyethyl)-2-[2-[[3-(2-Carboxyethyl)-5-Methyl-(3H)-Benzoselenazol-2-Ylidene]Methyl]But-1-Enyl]-5-Methylbenzoselenazolium Bromide
CAS No.	89703-05-9
Molecular Formula	C30H31BrN2O4Se2
Molecular Weight	722.42 g/mol
Synonyms	Benzoselenazolium, 3-(2-carboxyethyl)-2-[2-[[3-(2-carboxyethyl)-5-methyl-3H-benzoselenazol-2-ylidene]methyl]-1-butenyl]-5-methyl-, bromide; Selenium Cyanine Dye; Cyanine dye selenium analog; 2-[2-[(E)-2-[3-(2-Carboxyethyl)-5-methyl-1,3-benzoselenazol-3-ium-2-yl]vinyl]-3-methylbut-1-en-1-yl]-3-(2-carboxyethyl)-5-methyl-1,3-benzoselenazol-3-ium bromide; Near-IR dye intermediate; Polymethine dye with selenium
EINECS	Contact for details

Quality Control

Our production of this high-purity specialty chemical adheres to stringent quality protocols. Every batch undergoes comprehensive analysis, including HPLC for purity verification and spectroscopic identification (NMR, IR, MS) to confirm structural integrity. We provide a detailed Certificate of Analysis (COA) with each shipment, documenting key parameters such as assay, impurity profile, and residual solvent content to ensure consistency and reliability for your research and development processes.

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 compound is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) when not in use to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 2.0%
Residual Solvents (GC)	Meets ICH guidelines

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