Description

2-[2-[3-[2-(1,3-Dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)ethylidene]-2-[(1-phenyl-1H-tetrazol-5-yl)thio]-1-cyclohexen-1-yl]ethenyl]-1,3,3-trimethyl-3H-indolium chloride is a high-purity, functional organic salt belonging to the cyanine dye family, valued for its strong near-infrared (NIR) absorption and fluorescence properties. This compound is a critical advanced intermediate for synthesizing specialized dyes and pigments used in high-tech optical applications. It is essential for manufacturers and R&D laboratories in the photonics, imaging, and specialty chemical sectors seeking reliable, high-performance materials.

Application

• NIR Fluorescent Dye Synthesis: A key precursor for creating sensitive fluorescent probes and labels used in bioimaging, medical diagnostics, and security inks.
• Optical Data Storage: Used in the development of advanced materials for recordable optical discs and holographic storage media due to its specific light-absorbing characteristics.
• Laser and Photovoltaic Materials: Serves as a functional component in the research and production of organic semiconductor materials, dye-sensitized solar cells (DSSCs), and laser dyes.
• Non-Linear Optical (NLO) Materials: Employed in the synthesis of compounds for photonic devices, optical limiters, and frequency conversion applications.
• Analytical Chemistry Reagents: Utilized as a specialized reagent or standard in spectroscopic analysis and sensor development.
• Academic and Industrial R&D: A vital building block for chemical research focused on novel functional dyes, molecular probes, and advanced organic materials.

Basic Information

Product Name	2-[2-[3-[2-(1,3-Dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)ethylidene]-2-[(1-phenyl-1H-tetrazol-5-yl)thio]-1-cyclohexen-1-yl]ethenyl]-1,3,3-trimethyl-3H-indolium chloride
CAS No.	440102-72-7
Molecular Formula	C39H41ClN6S
Molecular Weight	661.30 g/mol
Synonyms	2-[2-[3-[2-(1,3-Dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)ethylidene]-2-[(1-phenyl-1H-tetrazol-5-yl)thio]-1-cyclohexen-1-yl]ethenyl]-1,3,3-trimethylindolium chloride; Cyanine dye derivative with tetrazolethio substituent; NIR cyanine dye intermediate; 1,3,3-Trimethyl-2-[2-[3-[2-(1,3,3-trimethylindolin-2-ylidene)ethylidene]-2-[(1-phenyltetrazol-5-yl)thio]cyclohex-1-en-1-yl]vinyl]-3H-indol-1-ium chloride
EINECS	Contact for details

Quality Control

Our production of this advanced chemical intermediate adheres to strict quality management protocols. Every batch is characterized and tested using advanced analytical techniques including HPLC, NMR, and mass spectrometry to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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