Description

8-(5-(6,7-Dihydro-2,4-Diphenyl-5H-1-Benzopyran-8-Yl)-2,4-Pentadienylidene)-5,6,7,8-Tetrahydro- 2,4-Diphenyl-1-Benzopyrylium Tetrafluoroborate is a specialized organic salt belonging to the benzopyrylium dye family, valued for its unique photophysical properties. This compound matters as a high-performance functional dye and photosensitizer, enabling advanced applications in materials science and research. It is primarily needed by industries focused on optical materials, nonlinear optics (NLO), and photodynamic research.

Application

• Nonlinear Optical (NLO) Materials: A key chromophore for developing advanced materials with second- and third-order nonlinear optical properties for telecommunications and photonic devices.
• Photosensitizers: Used in photodynamic therapy (PDT) research and light-activated chemical processes due to its efficient light absorption and energy transfer capabilities.
• Dye Lasers & Optical Filters: Serves as a gain medium or filter component in tunable dye lasers and specialized optical systems.
• Organic Photovoltaics (OPV) & Solar Cells: Investigated as an electron donor or acceptor material in the active layer of organic photovoltaic devices.
• Chemical Sensing & Fluorescence Probes: Utilized in the development of sensitive fluorescent probes and sensors for environmental or biological detection.
• Academic & Industrial R&D: A crucial intermediate for synthesizing complex organic molecules and studying charge-transfer complexes in chemistry and physics research.

Basic Information

Product Name	8-(5-(6,7-Dihydro-2,4-Diphenyl-5H-1-Benzopyran-8-Yl)-2,4-Pentadienylidene)-5,6,7,8-Tetrahydro- 2,4-Diphenyl-1-Benzopyrylium Tetrafluoroborate
CAS No.	22371-56-8
Molecular Formula	C47H35BF4O2
Molecular Weight	718.59 g/mol
Synonyms	2,4-Diphenyl-8-[5-(2,4-diphenyl-5H-1-benzopyran-8-yl)-2,4-pentadienylidene]-5,6,7,8-tetrahydro-1-benzopyrylium tetrafluoroborate; Benzopyrylium Tetrafluoroborate Dye; NLO Dye 22371-56-8; PDT Sensitizer Dye; 1-Benzopyrylium, 8-[5-(6,7-dihydro-2,4-diphenyl-5H-1-benzopyran-8-yl)-1,3-pentadien-1-ylidene]-5,6,7,8-tetrahydro-2,4-diphenyl-, tetrafluoroborate(1-); Charge-Transfer Complex Salt
EINECS	Contact for details

Quality Control

Our 8-(5-(6,7-Dihydro-2,4-Diphenyl-5H-1-Benzopyran-8-Yl)-2,4-Pentadienylidene)-5,6,7,8-Tetrahydro- 2,4-Diphenyl-1-Benzopyrylium Tetrafluoroborate is produced under strict quality management to ensure batch-to-batch consistency for research and industrial applications. Each lot undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic methods for structural confirmation. Certificates of Analysis (COA) detailing purity, identity, and relevant physical data are provided with every shipment.

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 dark location or within light-blocking secondary packaging due to the light-sensitive nature of the compound. Protect from excessive heat and moisture.

Specification

Item	Specification
Appearance	Dark red to purple crystalline powder
Identification (IR)	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.