Description

3H-Indolium, 2-(3-(1,3-Dihydro-3,3-Dimethyl-1-Tetradecyl-2H-Indol-2-Yl Idene)-1-Propenyl)-3,3-Dimethyl-1-Tetradecyl- is a specialized cyanine dye belonging to the indole-based polymethine class, 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 utilized by research institutions and industrial manufacturers in the fields of optical materials, biomedical imaging, and photodynamic therapy.

Application

• Fluorescent Probes and Labels: Used in the development of NIR fluorescent probes for bioimaging, cell tracking, and diagnostic assays.
• Optical Data Storage: Serves as a key photosensitive material in advanced optical recording media and holographic storage systems.
• Photodynamic Therapy (PDT) Agents: Acts as a photosensitizer in therapeutic applications for targeting and destroying abnormal cells.
• Laser Dyes and Nonlinear Optics: Employed in the formulation of tunable dye lasers and materials for nonlinear optical devices.
• Sensor Technology: Incorporated into chemical sensors and biosensors for detecting specific analytes based on optical signal changes.
• Academic and Industrial R&D: Serves as a crucial intermediate or standard in synthetic chemistry and material science research.

Basic Information

Product Name	3H-Indolium, 2-(3-(1,3-Dihydro-3,3-Dimethyl-1-Tetradecyl-2H-Indol-2-Yl Idene)-1-Propenyl)-3,3-Dimethyl-1-Tetradecyl-
CAS No.	84109-09-1
Molecular Formula	C49H77N2+
Molecular Weight	693.14 g/mol
Synonyms	DTTC Iodide; 1,1',3,3,3',3'-Hexamethyl-4,4',5,5'-dibenzo-11-(3-sulfopropyl)-indotricarbocyanine Iodide (common trade name); DTTC; 3H-Indolium, 2-[3-(1,3-dihydro-3,3-dimethyl-1-tetradecyl-2H-indol-2-ylidene)-1-propenyl]-3,3-dimethyl-1-tetradecyl-, iodide (1:1); DTTC Dye; NIR Cyanine Dye DTTC; 1-Tetradecyl-2-[3-(1,3-dihydro-3,3-dimethyl-1-tetradecyl-2H-indol-2-ylidene)-1-propenyl]-3,3-dimethyl-3H-indolium iodide
EINECS	Contact for details

Quality Control

Our production of this high-purity cyanine dye adheres to stringent quality protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity, UV-Vis-NIR spectroscopy for absorbance verification, and mass spectrometry for identity confirmation. A detailed Certificate of Analysis (COA) is provided with each shipment, ensuring traceability and compliance with your research or manufacturing specifications.

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 light-sensitive (store away from light) and should be handled under inert atmosphere when appropriate to prevent degradation.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (UV-Vis)	Conforms
Identification (MS)	Conforms
Purity (HPLC)	≥ 95.0%
Absorption λmax	760 - 780 nm
Moisture Content (KF)	≤ 2.0%
Residue on Ignition	≤ 1.0%

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