Description

5-Chloro-3-Ethyl-2-[2-[[5-Methoxy-3-(4-Sulphonatobutyl)Benzoselenazol-2(3H)-Ylidene]Methyl]But-1-Enyl]Benzothiazolium is a specialized organic salt belonging to the class of cyanine dyes, characterized by its benzothiazole and benzoselenazole heterocyclic core structures. This compound is valued for its unique photophysical properties, making it a critical functional material in advanced research and development. It is primarily sought after by manufacturers and R&D laboratories in the photographic, optical data storage, and biomedical imaging sectors for its potential as a photosensitizer or near-infrared absorbing chromophore.

Application

• Photosensitizer in Photodynamic Therapy (PDT): Investigated for use in medical applications targeting cancer cells due to its light-absorbing properties.
• Near-Infrared (NIR) Dye for Imaging: Used in the development of contrast agents for non-invasive biological and diagnostic imaging.
• Optical Data Storage Media: Serves as a key functional dye in recordable CD-R and DVD-R technologies.
• Laser and Nonlinear Optical Materials: A component in the synthesis of materials for laser dyes and optical limiters.
• Photographic Sensitizers: Enhances the spectral sensitivity of silver halide photographic emulsions.
• Chemical Sensor Development: Utilized as a signaling unit in chemosensors for detecting specific ions or molecules.
• Academic and Industrial Research: A vital intermediate for synthesizing novel cyanine dyes and exploring structure-property relationships.

Basic Information

Product Name	5-Chloro-3-Ethyl-2-[2-[[5-Methoxy-3-(4-Sulphonatobutyl)Benzoselenazol-2(3H)-Ylidene]Methyl]But-1-Enyl]Benzothiazolium
CAS No.	63907-45-9
Molecular Formula	C26H30ClN2O4S2Se
Molecular Weight	621.06 g/mol
Synonyms	5-Chloro-3-ethyl-2-[(1E,3E)-4-[5-methoxy-3-(4-sulfonatobutyl)-2(3H)-benzoselenazolylidene]-1,3-butadien-1-yl]benzothiazolium; Cyanine dye 63907-45-9; Benzothiazolium, 5-chloro-3-ethyl-2-[2-[[5-methoxy-3-(4-sulfonatobutyl)-2(3H)-benzoselenazolylidene]methyl]-1-buten-1-yl]-, inner salt; Selenocyanine dye; NIR Cyanine dye; Sulfoindocyanine dye analogue; Heptamethine cyanine dye derivative
EINECS	Contact for details

Quality Control

Our production of 5-Chloro-3-Ethyl-2-[2-[[5-Methoxy-3-(4-Sulphonatobutyl)Benzoselenazol-2(3H)-Ylidene]Methyl]But-1-Enyl]Benzothiazolium adheres to stringent in-process controls to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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 to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in water, methanol, DMSO

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