Description

3-Ethyl-2-[(3-([1-Ethylnaphtho[1,2-D][1,3]Thiazol-2(1H)-Ylidene]Methyl)-2-Cyclohexen-1-Ylidene)Methyl]-1,3-Benzothiazol-3-Ium Iodide is a specialized cyanine dye salt with a complex polymethine structure, offering unique photophysical properties. This compound matters for its ability to absorb and emit light in specific spectral regions, making it a critical functional material for advanced research and development. It is primarily needed by manufacturers and R&D laboratories in the photonics, optical recording, and biomedical imaging sectors seeking high-purity functional dyes.

Application

• Optical Data Storage: As a key photosensitizer or light-absorbing material in the formulation of recordable (R) optical discs and other advanced storage media.
• Laser Dyes & Photonics: Serving as an active medium in tunable dye lasers and for the development of nonlinear optical (NLO) materials due to its specific absorption/emission profile.
• Biomedical Imaging & Sensing: Potential use as a fluorescent probe or label in bioassays, cell imaging, and diagnostic applications, leveraging its near-infrared or visible light characteristics.
• Organic Photovoltaics (OPV): Investigation as an electron donor or acceptor material in the photoactive layer of organic solar cells for light harvesting.
• Chemical Sensors: Development of colorimetric or fluorometric sensors for detecting specific ions or molecules based on its chromogenic properties.
• Academic & Industrial R&D: Fundamental research in dye chemistry, photochemistry, and materials science for developing new functional compounds.

Basic Information

Product Name	3-Ethyl-2-[(3-([1-Ethylnaphtho[1,2-D][1,3]Thiazol-2(1H)-Ylidene]Methyl)-2-Cyclohexen-1-Ylidene)Methyl]-1,3-Benzothiazol-3-Ium Iodide
CAS No.	54118-11-5
Molecular Formula	C31H29IN2S2
Molecular Weight	620.60 g/mol
Synonyms	NK-2012; Cyanine Dye NK-2012; 1-Ethyl-2-[(3-(1-ethylnaphtho[1,2-d]thiazol-2(1H)-ylidene)methyl)-2-cyclohexen-1-ylidene)methyl]naphtho[1,2-d]thiazol-3-ium iodide; 3-Ethyl-2-[(1-ethyl-2(1H)-naphtho[1,2-d]thiazolylidene)methyl]-1-[3-(1-ethyl-2(1H)-naphtho[1,2-d]thiazolylidene)-2-cyclohexen-1-ylidene)methyl]benzothiazolium iodide; NK2012; Naphthothiazolium dye; Heptamethine cyanine dye derivative
EINECS	Contact for details

Quality Control

Our production of this high-value specialty dye adheres to strict quality management protocols. Each batch is characterized using advanced analytical techniques including HPLC, NMR, and UV-Vis spectroscopy to ensure structural integrity and high purity levels suitable for sensitive applications in photonics and imaging. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and spectral properties is provided with every shipment.

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 easily oxidized; for long-term storage, consider under an inert atmosphere such as argon or nitrogen to maintain optimal stability and performance.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Identification (UV-Vis)	Conforms (λmax specified)
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 1.0 %
Residue on Ignition	≤ 0.5 %
Heavy Metals (as Pb)	≤ 20 ppm

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