Description

3-Ethyl-2-[3-(3-Ethyl-5,6-Dimethyl-3H-Benzoselenazol-2-Ylidene)-2-Methylprop-1-Enyl]-5,6-Dimethylbenzoselenazolium Bromide is a specialized organic selenium compound belonging to the cyanine dye family, recognized by the CAS number 51799-69-0. This chemical is valued for its unique photophysical properties, making it a critical component in advanced material science and optical applications. It is primarily sought by research institutions and industrial manufacturers developing optical sensors, non-linear optical materials, and specialized photographic sensitizers.

Application

• Optical Sensor Development: Used as a key chromophore in the fabrication of chemical sensors and biosensors due to its distinct spectral shifts upon interaction with analytes.
• Non-Linear Optical (NLO) Materials: Serves as a building block for organic NLO crystals and polymers used in telecommunications, optical computing, and laser technology.
• Photographic Sensitizers: Functions as a spectral sensitizer in specialized photographic emulsions, extending sensitivity into specific wavelength ranges.
• Dye Laser Media: Employed in the formulation of tunable dye laser solutions for scientific and medical laser systems.
• Organic Photovoltaic Research: Investigated as an electron donor or acceptor material in the research and development of next-generation solar cells.
• Fluorescent Labeling & Probes: Utilized in the synthesis of fluorescent tags and probes for biological imaging and diagnostic assays.
• Academic & Industrial R&D: A crucial reagent for synthetic chemistry and materials science research exploring novel selenium-containing heterocycles.

Basic Information

Item	Detail
Product Name	3-Ethyl-2-[3-(3-Ethyl-5,6-Dimethyl-3H-Benzoselenazol-2-Ylidene)-2-Methylprop-1-Enyl]-5,6-Dimethylbenzoselenazolium Bromide
CAS No.	51799-69-0
Molecular Formula	C27H33BrN2Se2
Molecular Weight	640.39 g/mol
Synonyms	3-Ethyl-2-[(1E,3E)-3-(3-Ethyl-5,6-dimethyl-1,3-benzoselenazol-2(3H)-ylidene)-2-methylprop-1-en-1-yl]-5,6-dimethyl-1,3-benzoselenazol-3-ium Bromide; Benzoxaselenolium Dye; Cyanine Dye Se-2; 51799-69-0; Selenocyanine Dye; Optical Sensitizer 51799-69-0; 3H-Benzoselenazolium Derivative
EINECS	Contact for details

Quality Control

Our 3-Ethyl-2-[3-(3-Ethyl-5,6-Dimethyl-3H-Benzoselenazol-2-Ylidene)-2-Methylprop-1-Enyl]-5,6-Dimethylbenzoselenazolium Bromide is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and advanced material synthesis. Certificates of Analysis (COA) with detailed chromatographic data are provided for every shipment to guarantee traceability and performance consistency.

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 light-sensitive and should be handled under subdued lighting where practical. Keep the container tightly sealed to protect from moisture.

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	≤ 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.