Description

3-Ethyl-2-[(3-([3-Ethyl-1,3-Benzothiazol-2(3H)-Ylidene]Methyl)-2,5,5-Trimethyl-2-Cyclohexen-1-Ylidene)Methyl]-1,3-Benzothiazol-3-Ium Iodide is a high-purity, synthetic organic salt belonging to the cyanine dye family, valued for its strong near-infrared (NIR) absorption and fluorescence properties. This compound matters for its role as a critical functional material in advanced optical and electronic applications, where precise photophysical characteristics are paramount. It is primarily needed by manufacturers and R&D teams in the photonics, semiconductor, and biomedical imaging sectors for developing sensors, laser dyes, and non-invasive diagnostic agents.

Application

• NIR Fluorescent Dyes & Probes: Used as a key chromophore in the synthesis of fluorescent labels and probes for bioimaging and medical diagnostics.
• Optical Data Storage: Serves as a recording medium in advanced optical discs and holographic data storage systems due to its photoresponsive properties.
• Laser Gain Media: Employed as a dopant in solid-state or liquid dye lasers operating in the near-infrared spectrum.
• Photodynamic Therapy (PDT) Agents: Investigated as a potential photosensitizer in the development of next-generation cancer treatments.
• Non-Linear Optical (NLO) Materials: Utilized in the fabrication of devices for optical switching, modulation, and frequency conversion.
• Semiconductor & Sensor Coatings: Applied in thin-film coatings for organic photodetectors and chemical sensors.
• Academic & Industrial Research: A fundamental building block for studying structure-property relationships in polymethine dyes and developing novel functional materials.

Basic Information

Product Name	3-Ethyl-2-[(3-([3-Ethyl-1,3-Benzothiazol-2(3H)-Ylidene]Methyl)-2,5,5-Trimethyl-2-Cyclohexen-1-Ylidene)Methyl]-1,3-Benzothiazol-3-Ium Iodide
CAS No.	70677-52-0
Molecular Formula	C30H35IN2S2
Molecular Weight	614.64 g/mol
Synonyms	DTTC Iodide; 3,3'-Diethylthiatricarbocyanine Iodide; 1,3-Benzothiazolium, 3-ethyl-2-[(3-[(3-ethyl-1,3-benzothiazol-2(3H)-ylidene)methyl]-2,5,5-trimethyl-2-cyclohexen-1-ylidene)methyl]-, iodide; DTTC; Diethylthiatricarbocyanine iodide; NK-2014; Near-IR Cyanine Dye; Thiatricarbocyanine dye
EINECS	Contact for details

Quality Control

Our 3-Ethyl-2-[(3-([3-Ethyl-1,3-Benzothiazol-2(3H)-Ylidene]Methyl)-2,5,5-Trimethyl-2-Cyclohexen-1-Ylidene)Methyl]-1,3-Benzothiazol-3-Ium Iodide is manufactured under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity, spectroscopic identification (NMR, IR), and elemental analysis, to ensure it meets precise specifications for advanced material applications. Certificates of Analysis (COA) detailing all test results are provided to guarantee batch-to-batch consistency and traceability.

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; therefore, containers must be kept tightly sealed in a desiccated environment and handled under low-light conditions to prevent degradation.

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)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%
Absorption Max (λmax)	760 - 780 nm (in methanol)

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