Description

1-Butyl-2-(2-[3-[2-(1-Butyl-1H-Benzo[Cd]Indol-2-Ylidene)Ethylidene]-2-Chloro-Cyclohex-1-Enyl]Vinyl)Benzo[Cd]Indolium Tetrafluoroborate is a high-purity, functional organic salt belonging to the cyanine dye family, valued for its exceptional photophysical properties. This compound is a critical advanced intermediate for synthesizing specialized near-infrared (NIR) absorbing and fluorescent materials. It is primarily needed by research institutions and industrial manufacturers in the optical materials, semiconductor photoresist, and biomedical imaging sectors for developing next-generation technologies.

Application

• NIR-Absorbing Dye Synthesis: A key precursor for manufacturing cyanine dyes used in optical filters, laser protection, and security inks.
• Photoresist Formulation: Serves as a photoacid generator (PAG) or sensitizer in advanced photoresists for semiconductor lithography, particularly for deep-UV and EUV processes.
• Fluorescent Probe Development: Used in research to create novel fluorescent labels and probes for bioimaging and diagnostic assays.
• Organic Photovoltaic (OPV) Research: Investigated as an electron-accepting or light-harvesting material in the development of solar cells.
• Nonlinear Optical Materials: Applied in the research and production of materials for photonics, optical switching, and data storage.
• Analytical Chemistry Standards: Utilized as a high-purity reference standard for chromatography and spectroscopy.

Basic Information

Product Name	1-Butyl-2-(2-[3-[2-(1-Butyl-1H-Benzo[Cd]Indol-2-Ylidene)Ethylidene]-2-Chloro-Cyclohex-1-Enyl]Vinyl)Benzo[Cd]Indolium Tetrafluoroborate
CAS No.	913633-67-7
Molecular Formula	C39H42BClF4N2
Molecular Weight	660.83 g/mol
Synonyms	1-Butyl-2-[(1E,3E)-3-[2-(1-butyl-1H-benzo[cd]indol-2-ylidene)ethylidene]-2-chloro-1-cyclohex-1-en-1-yl]ethenyl]-1H-benzo[cd]indolium tetrafluoroborate; Cyanine dye derivative BF4 salt; NIR Cyanine dye intermediate; Heptamethine cyanine salt; Benzo[cd]indolium, 1-butyl-2-[2-[3-[2-(1-butyl-1H-benzo[cd]indol-2-ylidene)ethylidene]-2-chlorocyclohex-1-en-1-yl]ethenyl]-, tetrafluoroborate(1-); 2-[2-[3-[2-(1-Butyl-1H-benzo[cd]indol-2-ylidene)ethylidene]-2-chlorocyclohex-1-enyl]vinyl]-1-butyl-benzo[cd]indolium tetrafluoroborate
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict cGMP guidelines where applicable, ensuring batch-to-batch consistency for critical R&D and manufacturing processes. Every lot undergoes comprehensive analytical characterization, including HPLC for purity, NMR for structural confirmation, and MS for identity verification. A detailed Certificate of Analysis (COA) specifying purity, impurity profile, and physical data is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The container should be kept in a desiccator or under an inert atmosphere for long-term storage to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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