Description

3-Ethyl-2-[3-(3-Ethyl-5-Methoxy-3H-Benzoselenazol-2-Ylidene)Prop-1-Enyl]-5-Methoxybenzoselenazolium Iodide is a specialized cyanine dye derivative containing selenium, valued for its unique photophysical properties. This compound is critical for advanced research and development in fields requiring precise light absorption and emission characteristics. It is primarily sought by manufacturers and R&D laboratories in the photonics, optical sensor, and specialty chemical synthesis sectors.

Application

• Key intermediate in the synthesis of near-infrared (NIR) absorbing cyanine dyes for optical applications.
• Research and development of novel photosensitizers for photodynamic therapy (PDT) and diagnostic imaging.
• Component in the formulation of specialized coatings and films with specific light-filtering properties.
• Used in the development of chemical sensors and biosensors that rely on fluorescence or colorimetric changes.
• Potential application in non-linear optics (NLO) and as a dopant in advanced material science research.
• Starting material for creating selenium-containing heterocyclic compounds with tailored electronic properties.

Basic Information

Product Name	3-Ethyl-2-[3-(3-Ethyl-5-Methoxy-3H-Benzoselenazol-2-Ylidene)Prop-1-Enyl]-5-Methoxybenzoselenazolium Iodide
CAS No.	93838-99-4
Molecular Formula	C24H27IN2O2Se2
Molecular Weight	709.21 g/mol
Synonyms	3-Ethyl-2-[(1E,3E)-3-(3-ethyl-5-methoxy-2(3H)-benzoselenazolylidene)-1-propen-1-yl]-5-methoxybenzoselenazolium iodide; Benzothiazolium, 2-[3-(3-ethyl-5-methoxy-2(3H)-benzoselenazolylidene)-1-propenyl]-3-ethyl-5-methoxy-, iodide; Selenocyanine dye intermediate; NIR dye precursor; Heptamethine cyanine dye analog
EINECS	Contact for details

Quality Control

Our production of 3-Ethyl-2-[3-(3-Ethyl-5-Methoxy-3H-Benzoselenazol-2-Ylidene)Prop-1-Enyl]-5-Methoxybenzoselenazolium Iodide adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and industrial use. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We commit to specifications that meet the demanding requirements of advanced material science and pharmaceutical research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a dry environment to prevent degradation. Keep away from incompatible materials.

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%
Heavy Metals	≤ 20 ppm

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