Description

1,1'-Diethyl-2,2'-Dicarbocyanine Iodide is a near-infrared (NIR) absorbing cyanine dye salt, a member of the carbocyanine family. This compound is valued for its strong and tunable photophysical properties, making it a critical functional material in advanced research and technology development. It is primarily sought after by researchers and manufacturers in the fields of photovoltaics, optical data storage, and biomedical imaging.

Application

• Organic Photovoltaic (OPV) Cells: Used as a light-harvesting or electron-accepting material in the active layer of solar cells.
• Optical Recording Media: Functions as a recording layer dye for high-density, write-once optical discs (e.g., CD-R, DVD-R).
• Laser Dye and NIR Filters: Serves as a gain medium for tunable dye lasers operating in the near-infrared region or in optical filter applications.
• Biomedical Imaging Probes: Investigated for use as a fluorescent label or contrast agent for in vivo imaging due to its NIR emission.
• Nonlinear Optical Materials: Employed in the development of devices for optical limiting, switching, and frequency conversion.
• Chemical Sensors: Utilized as an indicator in sensor systems for detecting specific ions or molecules based on spectral changes.

Basic Information

Product Name	1,1'-Diethyl-2,2'-Dicarbocyanine Iodide
CAS No.	14187-31-6
Molecular Formula	C25H25IN2
Molecular Weight	504.38 g/mol
Synonyms	1,1'-Diethyl-2,2'-dicarbocyanine iodide; DTTC Iodide; 3,3'-Diethylthiatricarbocyanine Iodide; Diethylthiatricarbocyanine Iodide; DTTCI; 2-[7-(1,3-Dihydro-3,3-dimethyl-1-ethyl-2H-indol-2-ylidene)-1,3,5-heptatrienyl]-3,3-dimethyl-1-ethyl-3H-indolium iodide; NIR-797; Astrazon Orange R
EINECS	Contact for details

Quality Control

Our production of 1,1'-Diethyl-2,2'-Dicarbocyanine Iodide adheres to stringent internal quality protocols to ensure batch-to-batch consistency and performance reliability. Each lot is characterized using advanced analytical techniques including HPLC, UV-Vis-NIR spectroscopy, and NMR to confirm identity, purity, and spectral properties. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). The product 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 (HPLC/UV-Vis)	Conforms
Purity (HPLC)	≥ 95.0%
λmax (Absorption)	760 - 790 nm (in methanol)
Loss on Drying	≤ 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.