Description

1-Ethyl-2-[(E)-2-(3-((E)-2-[1-Ethylbenzo[Cd]Indol-2(1H)-Ylidene]Ethylidene)-2-Phenyl-1-Cyclopenten-1-Yl)Ethenyl]Benzo[Cd]Indolium Tetrafluoroborate is a high-purity, specialized cyanine dye salt, a key functional material prized for its exceptional photophysical properties. Its value lies in its strong and tunable absorption and emission characteristics, making it a critical component in advanced optical and electronic applications. This compound is essential for research and development teams in the photonics, imaging, and high-tech materials sectors seeking reliable, high-performance chromophores.

Application

• Nonlinear Optical (NLO) Materials: A key chromophore for developing advanced materials with second- and third-order nonlinear optical properties for telecommunications and optical computing.
• Laser Dyes & Optical Limiting: Used as an active medium in tunable dye lasers and in devices designed to protect sensors from intense laser pulses.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer due to its strong light absorption, for applications in targeted cancer treatments.
• Organic Photovoltaics (OPV) & Dye-Sensitized Solar Cells (DSSC): Functions as a light-harvesting sensitizer to improve the efficiency of converting sunlight into electricity.
• Fluorescent Probes & Bio-imaging: Serves as a building block for creating highly fluorescent labels and probes for cellular and molecular imaging.
• Data Storage: Explored for use in high-density optical data storage technologies due to its photochromic potential.
• Chemical Sensors: Utilized in the development of optochemical sensors for detecting specific ions or molecules based on colorimetric or fluorometric changes.

Basic Information

Item	Detail
Product Name	1-Ethyl-2-[(E)-2-(3-((E)-2-[1-Ethylbenzo[Cd]Indol-2(1H)-Ylidene]Ethylidene)-2-Phenyl-1-Cyclopenten-1-Yl)Ethenyl]Benzo[Cd]Indolium Tetrafluoroborate
CAS No.	125127-62-0
Molecular Formula	C44H39BF4N2
Molecular Weight	658.41 g/mol
Synonyms	1-Ethyl-2-[(1E,3E)-3-(1-Ethyl-1H-benzo[cd]indol-2(3H)-ylidene)-1-phenyl-1-propen-1-yl]benzo[cd]indolium Tetrafluoroborate; BF-4 Salt of a Benzo[cd]indolium Cyanine Dye; Heptamethine Cyanine Dye Tetrafluoroborate Salt; IR-786 Analog; NIR Cyanine Dye; Photonol 786BF4 (Potential Trade Name); 2-[2-[3-[2-(1-Ethyl-1H-benzo[cd]indol-2-ium-2-yl)vinyl]-2-phenylcyclopent-1-en-1-yl]vinyl]-1-ethyl-1H-benzo[cd]indolium; Tetrafluoroborate(1-)
EINECS	Contact for details

Quality Control

Every batch of our 1-Ethyl-2-[(E)-2-(3-((E)-2-[1-Ethylbenzo[Cd]Indol-2(1H)-Ylidene]Ethylidene)-2-Phenyl-1-Cyclopenten-1-Yl)Ethenyl]Benzo[Cd]Indolium Tetrafluoroborate is manufactured under strict quality management systems. We employ advanced analytical techniques including HPLC, NMR, and mass spectrometry to ensure identity, purity, and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your R&D and 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). This material is hygroscopic (moisture-sensitive) and light-sensitive; prolonged exposure to moisture or light may affect performance. For long-term storage, consider desiccant and inert atmosphere conditions.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
UV-Vis Absorption (λmax)	780 - 800 nm (in suitable solvent)
Moisture Content (KF)	≤ 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.