Description

2-[(E)-2-(2-Chloro-3-((E)-2-[3-Ethyl-1,3-Benzothiazol-2(3H)-Ylidene]Ethylidene)-5-Methyl-1-Cyclohexen-1-Yl)Ethenyl]-3-Ethyl-1,3-Benzothiazol-3-Ium Iodide is a high-purity, functional cyanine dye salt, valued for its strong near-infrared absorption and fluorescence properties. This compound is essential for advanced applications requiring precise photophysical characteristics and excellent chemical stability. It is primarily sought by manufacturers and researchers in the photonics, optical data storage, and biomedical imaging sectors.

Application

• Optical Data Storage: As a key photosensitizer and recording medium for high-density optical discs and holographic storage systems.
• Laser Technology: Used in the formulation of tunable dye lasers and as a saturable absorber for mode-locking in NIR laser systems.
• Biomedical Imaging & Diagnostics: Serves as a contrast agent or fluorescent probe in non-invasive imaging techniques like fluorescence-guided surgery and in vitro diagnostics.
• Nonlinear Optics (NLO): Employed in the development of materials for optical limiting, switching, and frequency conversion due to its high polarizability.
• Photodynamic Therapy (PDT): Investigated as a potential photosensitizer for targeted cancer treatments, leveraging its light-activated properties.
• Chemical Sensors: Utilized in the fabrication of optochemical sensors for detecting specific ions or gases based on spectral changes.
• Academic & Industrial R&D: A critical reagent for synthetic chemistry and materials science research focused on developing new functional dyes and organic semiconductors.

Basic Information

Product Name	2-[(E)-2-(2-Chloro-3-((E)-2-[3-Ethyl-1,3-Benzothiazol-2(3H)-Ylidene]Ethylidene)-5-Methyl-1-Cyclohexen-1-Yl)Ethenyl]-3-Ethyl-1,3-Benzothiazol-3-Ium Iodide
CAS No.	69415-12-9
Molecular Formula	C31H32ClIN2S2
Molecular Weight	659.07 g/mol
Synonyms	DTTC Iodide; 1,3,3-Trimethyl-2-[(E)-2-(2-Chloro-3-((E)-2-(1,3,3-Trimethylindolin-2-ylidene)ethylidene)-5-methyl-1-cyclohexen-1-yl)ethenyl]-3H-indolium Iodide (common misnomer based on structure); 3-Ethyl-2-[(E)-2-(2-chloro-3-[(E)-2-(3-ethyl-1,3-benzothiazol-2(3H)-ylidene)ethylidene]-5-methyl-1-cyclohex-1-en-1-yl)ethenyl]-1,3-benzothiazol-3-ium iodide; NIR Cyanine Dye Iodide Salt; Heptamethine Cyanine Dye with Chloro and Methyl Substituents; IR-125 Analog; Cryptocyanine Derivative
EINECS	Contact for details

Quality Control

Our production of this specialty cyanine dye adheres to strict quality protocols to ensure batch-to-batch consistency and performance reliability. Every lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry to verify identity, purity, and the absence of critical impurities. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to support your quality assurance and regulatory needs.

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 material is light-sensitive and should be handled under appropriate conditions to prevent degradation.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Loss on Drying	≤ 2.0 %
Residue on Ignition	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Solubility Test	Soluble in common organic solvents (e.g., DMSO, DMF, methanol)
λmax (Absorption)	Contact for details

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