Description

3-(2-[(3-([3-Ethyl-1,3-Benzothiazol-2(3H)-Ylidene]Methyl)-2-Cyclohexen-1-Ylidene)Methyl]-1,3-Benzothiazol-3-Ium-3-Yl)-1-Propanesulfonate is a high-purity, functional organic salt belonging to the cyanine dye family, valued for its strong near-infrared (NIR) absorption and fluorescence properties. Its core value proposition lies in its exceptional performance as a sensitizer and photoactive component in advanced optoelectronic and imaging applications. This compound is essential for manufacturers and R&D teams in the photovoltaics, semiconductor, and biomedical diagnostics sectors seeking reliable, high-performance materials.

Application

• Dye-Sensitized Solar Cells (DSSCs): Acts as a key photosensitizer to enhance light absorption and electron injection efficiency.
• Organic Photodetectors & Sensors: Used in the fabrication of NIR-sensitive photodetectors for optical communications and sensing systems.
• Non-Linear Optical (NLO) Materials: A critical component in the development of materials for optical limiting, switching, and data storage.
• Fluorescent Probes & Bioimaging: Serves as a labeling agent or contrast agent in biomedical research for in vitro and in vivo imaging.
• Laser Dyes & Optical Filters: Employed in tunable dye lasers and as an active medium in specific wavelength filters.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer for targeted cancer treatments.
• Chemical Sensing: Utilized in the design of chemosensors for detecting specific ions or molecules due to its chromogenic properties.
• Advanced Material Research: A building block for novel conjugated polymers and organic semiconductors with tailored optoelectronic characteristics.

Basic Information

Product Name	3-(2-[(3-([3-Ethyl-1,3-Benzothiazol-2(3H)-Ylidene]Methyl)-2-Cyclohexen-1-Ylidene)Methyl]-1,3-Benzothiazol-3-Ium-3-Yl)-1-Propanesulfonate
CAS No.	160649-43-4
Molecular Formula	C28H30N2O3S3
Molecular Weight	538.71 g/mol
Synonyms	NK-2014; 3-Ethyl-2-[3-(3-ethyl-2(3H)-benzothiazolylidene)-1-propen-1-yl]benzothiazolium propylsulfonate; Cyanine dye NK-2014; 3-Ethyl-2-[3-(3-ethyl-2-benzothiazolinylidene)-1-propenyl]benzothiazolium propylsulfonate; NIR Cyanine Dye; 1-Propanesulfonic acid, 3-[2-[[3-[(3-ethyl-2(3H)-benzothiazolylidene)methyl]-2-cyclohexen-1-ylidene]methyl]-3-benzothiazolio]-; Benzothiazolium, 3-ethyl-2-[3-(3-ethyl-2(3H)-benzothiazolylidene)-1-propenyl]-, propylsulfonate
EINECS	Contact for details

Quality Control

Every batch of our cyanine dye is produced under strict quality management and undergoes comprehensive analytical testing to ensure consistent purity and performance. We provide full traceability and Certificates of Analysis (COA) detailing key parameters such as assay, absorbance maxima, and impurity profiles. Our quality systems are designed to meet the rigorous demands of advanced material and electronics manufacturing.

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 product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
λmax (Absorption)	760 - 780 nm (in suitable solvent)
Loss on Drying	≤ 2.0 %
Residue on Ignition	≤ 0.5 %
Heavy Metals (as Pb)	≤ 20 ppm
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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