Description

2-[2-[2-Chloro-3-[2-(1,3-Dihydro-1-Methyl-2H-Quinolinylidene)Ethylidene]-1-Cyclohexen-1-Yl]Ethenyl]-1-Methyl-Quinolinium is a specialized cyanine dye intermediate of significant commercial and research interest. Its value lies in its precise molecular structure, which is critical for synthesizing advanced functional dyes with specific optical properties. This compound is essential for manufacturers and R&D teams in the photographic, optical data storage, and biomedical imaging sectors, where it serves as a key precursor for near-infrared (NIR) absorbing and fluorescent agents.

Application

• Precursor for NIR Cyanine Dyes: A fundamental building block for synthesizing heptamethine cyanine dyes used in laser absorption and fluorescence applications.
• Optical Data Storage Media: Employed in the development of advanced recording layers for high-density DVDs and other optical disks due to its tunable light-absorption characteristics.
• Photographic Sensitizers: Used in the formulation of specialized photographic emulsions to extend spectral sensitivity into the infrared region.
• Biomedical Imaging Probes: Serves as a critical intermediate for labeling reagents and contrast agents in fluorescence-based bioassays and in vivo imaging.
• Laser and Nonlinear Optical Materials: A key component in the research and production of materials for dye lasers and photonic devices.
• Organic Photovoltaic (OPV) Research: Investigated as a potential electron donor or acceptor material in the development of next-generation solar cells.

Basic Information

Item	Details
Product Name	2-[2-[2-Chloro-3-[2-(1,3-Dihydro-1-Methyl-2H-Quinolinylidene)Ethylidene]-1-Cyclohexen-1-Yl]Ethenyl]-1-Methyl-Quinolinium
CAS No.	287194-09-6
Molecular Formula	C30H28ClN2+
Molecular Weight	451.01 g/mol (cation)
Synonyms	2-[2-[2-Chloro-3-[2-(1,3-dihydro-1-methyl-2H-quinolinylidene)ethylidene]-1-cyclohexen-1-yl]ethenyl]-1-methylquinolinium; Cyanine dye intermediate IR-780 precursor; Heptamethine cyanine dye derivative; Quinolinium, 2-[2-[2-chloro-3-[2-(1,3-dihydro-1-methyl-2H-quinolin-2-ylidene)ethylidene]-1-cyclohexen-1-yl]ethenyl]-1-methyl-; 1-Methyl-2-[2-[2-chloro-3-[2-(1-methyl-1,3-dihydro-2H-quinolin-2-ylidene)ethylidene]cyclohex-1-en-1-yl]vinyl]quinolin-1-ium
EINECS	Contact for details

Quality Control

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

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 hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. For long-term storage, consider desiccants or an inert atmosphere.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (HPLC)	Retention time corresponds to reference standard
Identification (IR)	Spectrum matches reference
Purity (HPLC, Area %)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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