Description

3,3'-Diethylthiatricarbocyanine Iodide is a near-infrared (NIR) absorbing cyanine dye salt, widely recognized for its photophysical properties. This compound is a critical functional material for advanced optical and electronic applications due to its strong absorption and fluorescence in the NIR region. It is primarily sought by researchers and manufacturers in the fields of photonics, materials science, and biomedical imaging.

Application

• NIR Fluorescent Probes & Labels: Used as a key chromophore in the development of fluorescent probes for bioimaging, flow cytometry, and in vivo diagnostics.
• Optical Data Storage: Serves as a recording medium in advanced optical storage technologies due to its specific light absorption characteristics.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer for cancer treatment and other light-activated therapies.
• Laser Dyes & Nonlinear Optics: Employed in the formulation of tunable dye lasers and in the study of nonlinear optical materials.
• Semiconductor & Sensor Materials: Used in the fabrication of organic photodetectors, solar cells, and chemical sensors.
• Analytical Chemistry Reagents: Functions as a staining agent or a spectroscopic standard in analytical methods.

Basic Information

Product Name	3,3'-Diethylthiatricarbocyanine Iodide
CAS No.	3071-70-3
Molecular Formula	C29H31IN2S2
Molecular Weight	622.60 g/mol
Synonyms	DTTC Iodide; 3,3'-Diethylthiatricarbocyanine iodide; 2-[7-[3,3-Diethyl-1-(3-sulfopropyl)-1,3-dihydro-2H-benz[e]indol-2-ylidene]-1,3,5-heptatrienyl]-3-ethyl-1-(3-sulfopropyl)benz[e]indolium iodide; Thiatricarbocyanine dye; NIR-797; IR-797; Cryptocyanine derivative; Heptamethine cyanine dye salt
EINECS	Contact for details

Quality Control

Our 3,3'-Diethylthiatricarbocyanine Iodide is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, spectroscopic identification, and residual solvent analysis, to ensure it meets the high standards required for research and industrial applications. A Certificate of Analysis (COA) detailing all specifications 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 compound is light-sensitive (store away from light) and hygroscopic (moisture-sensitive); prolonged exposure to light, air, or moisture should be avoided to maintain stability and performance.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
λmax (Absorption)	760 - 800 nm (in methanol)
Water Content (KF)	≤ 2.0 %
Residual Solvents (GC)	Meets ICH guidelines

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