Description

2-[(E)-2-(2-Chloro-3-((E)-2-[3-Ethyl-1,3-Benzothiazol-2(3H)-Ylidene]Ethylidene)-1-Cyclopenten-1-Yl)Ethenyl]-3-Ethyl-1,3-Benzothiazol-3-Ium Perchlorate is a high-purity, functional organic salt belonging to the cyanine dye family, recognized for its strong near-infrared (NIR) absorption properties. This compound is critical for applications requiring precise light absorption and energy transfer, offering exceptional photostability and tunable spectral characteristics. It is primarily utilized by researchers and manufacturers in the advanced materials, optical data storage, and biomedical imaging sectors.

Application

• NIR-Absorbing Dyes & Pigments: A key chromophore for formulating dyes and pigments with specific absorption in the near-infrared spectrum for security inks and optical filters.
• Optical Data Storage Media: Used in the development of recordable optical discs (e.g., CD-R, DVD-R) as a light-absorbing layer for laser writing.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer in medical research for targeted cancer cell destruction.
• Nonlinear Optical Materials: Serves as a building block for organic compounds with applications in photonics, including optical switching and limiting.
• Laser Technology: Employed in the fabrication of dye-doped polymers and glasses for solid-state tunable lasers.
• Solar Energy Conversion: Studied for use in organic photovoltaic cells and dye-sensitized solar cells (DSSCs) due to its light-harvesting properties.
• Chemical Sensors: Utilized in the design of colorimetric or fluorescent sensors for detecting specific ions or molecules.
• Academic & Industrial R&D: A valuable intermediate for synthetic organic chemists exploring novel cyanine dye structures and properties.

Basic Information

Product Name	2-[(E)-2-(2-Chloro-3-((E)-2-[3-Ethyl-1,3-Benzothiazol-2(3H)-Ylidene]Ethylidene)-1-Cyclopenten-1-Yl)Ethenyl]-3-Ethyl-1,3-Benzothiazol-3-Ium Perchlorate
CAS No.	69415-16-3
Molecular Formula	C29H28ClN2O4S2
Molecular Weight	583.17 g/mol
Synonyms	NK-2016; 2-[2-[2-Chloro-3-[2-(3-ethyl-2-benzothiazolinylidene)ethylidene]-1-cyclopenten-1-yl]ethenyl]-3-ethylbenzothiazolium perchlorate; 3-Ethyl-2-[2-[2-chloro-3-[(1E,3E)-3-(3-ethyl-1,3-benzothiazol-2(3H)-ylidene)prop-1-en-1-yl]cyclopent-1-en-1-yl]ethenyl]-1,3-benzothiazol-3-ium perchlorate; Cyanine dye NK-2016; NIR Cyanine Dye; IR-1061 analog; Heptamethine cyanine dye perchlorate salt
EINECS	Contact for details

Quality Control

Our production of 2-[(E)-2-(2-Chloro-3-((E)-2-[3-Ethyl-1,3-Benzothiazol-2(3H)-Ylidene]Ethylidene)-1-Cyclopenten-1-Yl)Ethenyl]-3-Ethyl-1,3-Benzothiazol-3-Ium Perchlorate adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, spectrophotometric analysis for absorbance profile verification, and elemental analysis. Certificates of Analysis (COA) detailing all specifications and test results are provided to ensure traceability and compliance with your research or manufacturing requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat sources, strong oxidizers, and incompatible materials. Due to its perchlorate content and light-sensitive nature, appropriate safety and handling procedures for oxidizers should be followed.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
λmax (Absorption)	Contact for details
Loss on Drying	≤ 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.