Description

2-[2-[(5-Bromo-3-Ethyl-3H-Benzothiazol-2-Ylidene)Methyl]But-1-Enyl]-6-Chloro-1-(3-Sulphonatopropyl)Quinolinium is a high-purity, functional organic salt belonging to the cyanine dye family, valued for its strong near-infrared absorption and fluorescence properties. This compound is engineered to deliver exceptional performance as a specialized photosensitizer and labeling agent in advanced material science and life science applications. It is primarily sought by researchers and manufacturers in the fields of optical materials, biomedical imaging, and photodynamic therapy.

Application

• Optical Materials: A key component in the formulation of near-infrared (NIR) absorbing dyes and pigments for optical filters, laser protection, and security inks.
• Biomedical Imaging: Used as a fluorescent probe or contrast agent in the development of diagnostic assays and in vivo imaging due to its NIR emission.
• Photodynamic Therapy (PDT): Serves as a potential photosensitizer in research for targeted cancer treatments and antimicrobial applications.
• Semiconductor & Electronics: Applied in the research of organic photovoltaics (OPV) and dye-sensitized solar cells (DSSC) as a light-harvesting material.
• Analytical Chemistry: Utilized as a staining agent or tracer in chromatography and capillary electrophoresis for detection purposes.
• Sensor Technology: Incorporated into chemical sensors and biosensors for the detection of specific ions or biomolecules based on fluorescence quenching or enhancement.

Basic Information

Product Name	2-[2-[(5-Bromo-3-Ethyl-3H-Benzothiazol-2-Ylidene)Methyl]But-1-Enyl]-6-Chloro-1-(3-Sulphonatopropyl)Quinolinium
CAS No.	52450-03-0
Molecular Formula	C26H27BrClN2O3S2
Molecular Weight	603.98 g/mol
Synonyms	6-Chloro-2-[2-[(5-bromo-3-ethyl-2(3H)-benzothiazolylidene)methyl]-1-butenyl]-1-(3-sulfopropyl)quinolinium; Quinolinium, 6-chloro-2-[2-[(5-bromo-3-ethyl-2(3H)-benzothiazolylidene)methyl]-1-butenyl]-1-(3-sulfopropyl)-, inner salt; Cyanine dye 52450-03-0; NIR cyanine dye with sulphonate group; Benzothiazolium quinolinium salt
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Each batch is characterized using advanced analytical techniques to confirm identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for purity (HPLC), residual solvents, and other critical parameters are available upon request. We adhere to a quality management system to ensure reliable supply for research and development 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 compound is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. For long-term stability, consider storage under an inert atmosphere.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residual Solvents (GC)	Meets ICH guidelines
Heavy Metals	< 20 ppm
Absorption Max (λmax)	Contact for details

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