Description

2-(2-(2-Chloro-3-[2-(1,3,3-Trimethyl-2,3-Dihydro-1H-2-Indolyliden)Ethylidene]-1-Cyclohexenyl)-1-Ethenyl)-1,3,3-Trimethyl-3H-Indolium is a high-purity, functional cyanine dye intermediate with a complex polymethine structure. This compound is valued for its role as a key precursor in synthesizing advanced near-infrared (NIR) absorbing and fluorescent dyes. It is essential for manufacturers and R&D teams in the optical materials, biomedical imaging, and specialty chemical sectors who require precise chromophore building blocks.

Application

• NIR Fluorescent Dye Synthesis: A critical precursor for creating dyes used in bioimaging, flow cytometry, and in vivo diagnostics.
• Optical Data Storage: Used in the development of advanced materials for recordable media and optical filters.
• Laser Technology: Serves as a starting material for dyes utilized in tunable and solid-state laser systems.
• Photodynamic Therapy (PDT): A building block for photosensitizers in medical therapeutic applications.
• Non-Linear Optics (NLO): Employed in research and production of materials for optical switching and signal processing.
• Sensor Development: Key intermediate for constructing chemical and biological sensors with specific spectral properties.

Basic Information

Item	Detail
Product Name	2-(2-(2-Chloro-3-[2-(1,3,3-Trimethyl-2,3-Dihydro-1H-2-Indolyliden)Ethylidene]-1-Cyclohexenyl)-1-Ethenyl)-1,3,3-Trimethyl-3H-Indolium
CAS No.	439859-04-8
Molecular Formula	C34H40ClN2+
Molecular Weight	511.15 g/mol
Synonyms	2-(2-(2-Chloro-3-(2-(1,3,3-trimethylindolin-2-ylidene)ethylidene)cyclohex-1-en-1-yl)vinyl)-1,3,3-trimethyl-3H-indol-1-ium; Cyanine Dye Intermediate 439859-04-8; NIR Cyanine Precursor; Heptamethine Cyanine Salt; IR-780 Related Intermediate; 2-[2-[2-Chloro-3-[(1,3,3-trimethyl-2-indolinylidene)ethylidene]-1-cyclohexen-1-yl]ethenyl]-1,3,3-trimethyl-3H-indolium
EINECS	Contact for details

Quality Control

Our 2-(2-(2-Chloro-3-[2-(1,3,3-Trimethyl-2,3-Dihydro-1H-2-Indolyliden)Ethylidene]-1-Cyclohexenyl)-1-Ethenyl)-1,3,3-Trimethyl-3H-Indolium is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity, NMR and MS for structural confirmation, and spectrophotometry for spectral properties. Certificates of Analysis (COA) detailing all specifications are provided to ensure traceability and compliance with your 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 hygroscopic nature, the container must be kept tightly sealed in a dry environment to prevent moisture absorption. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
λmax (Absorption)	Contact for details

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