Description

3-Ethyl-2-[(3-([3-Ethyl-5-Methoxy-1,3-Benzothiazol-2(3H)-Ylidene]Methyl)-5,5-Dimethyl-2-Cyclohexen-1-Ylidene)Methyl]-5-Methoxy-1,3-Benzothiazol-3-Ium Iodide is a specialized cyanine dye salt, valued for its strong near-infrared (NIR) absorption and fluorescence properties. This compound is critical for applications requiring precise light absorption and emission in specific spectral ranges. It is primarily sought by manufacturers and researchers in the fields of optical materials, biomedical imaging, and advanced photonics.

Application

• NIR Fluorescent Probes and Labels: Used in the development of sensitive bioimaging agents for deep-tissue analysis and diagnostic assays.
• Optical Data Storage: Serves as a key component in advanced recording media due to its specific photophysical characteristics.
• Laser Dyes and Photonic Materials: Employed in the formulation of tunable dye lasers and other photonic devices requiring NIR functionality.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer for targeted cancer treatments.
• Chemical Sensors: Utilized in the fabrication of sensors for detecting specific ions or molecules based on fluorescence changes.
• Non-Linear Optical (NLO) Materials: A candidate material for applications in telecommunications and optical signal processing.

Basic Information

Product Name	3-Ethyl-2-[(3-([3-Ethyl-5-Methoxy-1,3-Benzothiazol-2(3H)-Ylidene]Methyl)-5,5-Dimethyl-2-Cyclohexen-1-Ylidene)Methyl]-5-Methoxy-1,3-Benzothiazol-3-Ium Iodide
CAS No.	158320-43-5
Molecular Formula	C31H35IN2O2S2
Molecular Weight	682.65 g/mol
Synonyms	DTTC Iodide; 3,3'-Diethylthiadicarbocyanine Iodide; 1,3,3-Trimethyl-2-[(E)-2-(1,3,3-trimethylindolin-2-ylidene)ethylidene]indoline; DTTC; Diethylthiatricarbocyanine Iodide; NIR Cyanine Dye; 3-Ethyl-2-[(1E,3E)-3-(3-ethyl-5-methoxy-1,3-benzothiazol-2(3H)-ylidene)prop-1-en-1-yl]-5-methoxy-1,3-benzothiazol-3-ium iodide
EINECS	Contact for details

Quality Control

Our production of this high-purity cyanine dye adheres to strict quality control protocols to ensure batch-to-batch consistency and performance reliability. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key 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 product is hygroscopic (moisture-sensitive) and light-sensitive; prolonged exposure to air, moisture, or light should be avoided to maintain stability and performance.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Absorption λmax	760 - 780 nm (in methanol)

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