Description

3-Ethyl-2-[2-[(3-Ethyl-3H-Benzothiazol-2-Ylidene)Methyl]But-1-Enyl]Benzothiazolium Iodide is a specialized organic salt belonging to the cyanine dye family, valued for its unique photophysical properties. This compound is critical for applications requiring precise light absorption and emission characteristics in the near-infrared spectrum. It is primarily sought by manufacturers and researchers in the advanced materials, optical data storage, and biomedical imaging sectors for developing next-generation functional dyes and sensors.

Application

• Optical Data Storage Media: As a key photosensitizer or recording layer component for high-density CDs, DVDs, and next-generation optical disks.
• Laser Dyes and Nonlinear Optics: Used in the formulation of tunable dye lasers and materials for frequency doubling or optical limiting applications.
• Biomedical Imaging Probes: Serves as a near-infrared (NIR) fluorescent tag or contrast agent for in vivo imaging and diagnostic assays.
• Photodynamic Therapy (PDT): Investigated as a potential photosensitizer for targeted cancer treatments utilizing light activation.
• Organic Photovoltaic (OPV) Cells: Employed in the active layer of solar cells to enhance light harvesting and charge generation efficiency.
• Chemical Sensors: Utilized in the development of selective sensors for ions or gases based on colorimetric or fluorometric changes.
• Academic and Industrial R&D: A crucial intermediate or reference standard for synthesizing novel cyanine dyes and studying structure-property relationships.

Basic Information

Product Name	3-Ethyl-2-[2-[(3-Ethyl-3H-Benzothiazol-2-Ylidene)Methyl]But-1-Enyl]Benzothiazolium Iodide
CAS No.	909-63-7
Molecular Formula	C23H25IN2S2
Molecular Weight	544.49 g/mol
Synonyms	DTTC Iodide; 3,3'-Diethylthiadicarbocyanine Iodide; Dithiacarbocyanine Dye; 1,1'-Diethyl-3,3,3',3'-tetramethyl-4,5,4',5'-dibenzo-2,2'-thiadicarbocyanine Iodide; DTTC; NK-3195; Thiacarbocyanine dye; 3-Ethyl-2-[2-[(3-ethylbenzothiazol-2(3H)-ylidene)methyl]but-1-en-1-yl]benzothiazol-3-ium iodide
EINECS	Contact for details

Quality Control

Our production of 3-Ethyl-2-[2-[(3-Ethyl-3H-Benzothiazol-2-Ylidene)Methyl]But-1-Enyl]Benzothiazolium Iodide adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. Each lot undergoes comprehensive analysis, including HPLC for purity, spectroscopic identification (UV-Vis, IR, NMR), and elemental analysis. Certificates of Analysis (COA) detailing all specifications are provided to guarantee the material meets your precise research or manufacturing requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Identification (UV-Vis)	λmax conforms
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 2.0%
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.