Description

2-(7-(3,3-Dimethyl-1-Phenyl-1H-2(3H)-Indolidene)-1,3,5-Heptatrienyl)-3,3-Dimethyl-1-Phenyl-3H-Indolium Perchlorate is a specialized cyanine dye salt, recognized for its unique photophysical properties. This compound is valued for its strong light absorption and emission characteristics in the near-infrared (NIR) region, making it a critical functional material for advanced optical applications. It is primarily sought by R&D laboratories and manufacturers in the photonics, electronics, and analytical chemistry sectors.

Application

• Nonlinear Optical (NLO) Materials: A key chromophore for developing organic materials with high second-order nonlinear optical susceptibility, used in optical switching, modulation, and frequency conversion devices.
• Laser Dye & Photonic Research: Serves as a functional dye in tunable dye lasers and as a model compound for studying intramolecular charge transfer and excited-state dynamics in polymethine chains.
• Optical Data Storage: Potential application as a recording medium in high-density optical storage systems due to its specific light-responsive properties.
• Biomedical Imaging Probes: Investigated for use as a contrast agent or fluorescent marker in near-infrared fluorescence imaging, leveraging its NIR absorption/emission profile.
• Organic Semiconductor Development: Used in research for fabricating and testing organic light-emitting diodes (OLEDs) and photovoltaic cells.
• Chemical Sensing: Employed in the design of chemosensors where its spectral properties change upon interaction with specific analytes.

Basic Information

Product Name	2-(7-(3,3-Dimethyl-1-Phenyl-1H-2(3H)-Indolidene)-1,3,5-Heptatrienyl)-3,3-Dimethyl-1-Phenyl-3H-Indolium Perchlorate
CAS No.	84591-87-7
Molecular Formula	C41H39ClN2O4
Molecular Weight	659.21 g/mol
Synonyms	DTTCI Perchlorate; 3,3'-Diethylthiatricarbocyanine Iodide (common misnomer for related compound); DTTCI; 1,1',3,3,3',3'-Hexamethylindotricarbocyanine Iodide (HITCI) analog; NIR Cyanine Dye Salt; 2-[7-(1,3-Dihydro-3,3-dimethyl-1-phenyl-2H-indol-2-ylidene)-1,3,5-heptatrienyl]-3,3-dimethyl-1-phenyl-3H-indolium perchlorate; 3H-Indolium, 2-[7-(1,3-dihydro-3,3-dimethyl-1-phenyl-2H-indol-2-ylidene)-1,3,5-heptatrienyl]-3,3-dimethyl-1-phenyl-, perchlorate
EINECS	Contact for details

Quality Control

Every batch of our high-purity cyanine dyes is subjected to rigorous analytical testing to ensure consistent spectral performance and chemical integrity. Our standard quality protocol includes verification of identity, purity by HPLC, and assessment of key impurities. Certificates of Analysis (COA) detailing lot-specific results are provided and can be tailored to meet specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its perchlorate salt nature and light-sensitive properties, the material should be kept away from heat, sparks, open flames, and incompatible strong reducing agents. Handle in accordance with good laboratory practices.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 95.0%
λmax (Absorption)	760 - 780 nm (in methanol)
Loss on Drying	≤ 2.0 %
Residue on Ignition	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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