Description

Pyridinium, 4-[2-[7-(Diethylamino)-2-Oxo-2H-1-Benzopyran-3-Yl]Ethenyl]-1-(2-Hydroxyethyl)-, Bromide is a specialized functional dye intermediate belonging to the coumarin-pyridinium class, valued for its strong fluorescence and solvatochromic properties. This compound is critical for applications requiring precise light absorption and emission characteristics, serving as a key building block in advanced material science. It is primarily sought by research institutions and manufacturers in the photovoltaic, organic electronics, and fluorescent sensor development sectors.

Application

• Fluorescent Probe Synthesis: A core precursor for developing sensitive fluorescent probes and markers used in bioimaging and cellular analysis.
• Organic Light-Emitting Diodes (OLEDs): Utilized in the research and development of emissive layers for display and lighting technologies.
• Dye-Sensitized Solar Cells (DSSCs): Acts as a potential photosensitizer or co-sensitizer to enhance light-harvesting efficiency.
• Nonlinear Optical Materials: Investigated for use in photonic devices due to its pronounced solvatochromism and potential for high hyperpolarizability.
• Chemical Sensing Platforms: Incorporated into polymeric or solid-state matrices for the detection of specific ions or environmental analytes.
• Advanced Material Research: Serves as a model compound in academic and industrial R&D for studying intramolecular charge transfer and excited-state dynamics.

Basic Information

Product Name	Pyridinium, 4-[2-[7-(Diethylamino)-2-Oxo-2H-1-Benzopyran-3-Yl]Ethenyl]-1-(2-Hydroxyethyl)-, Bromide
CAS No.	1089179-58-7
Molecular Formula	C24H27BrN2O3
Molecular Weight	471.39 g/mol
Synonyms	4-[2-[7-(Diethylamino)-2-oxo-2H-chromen-3-yl]ethenyl]-1-(2-hydroxyethyl)pyridinium bromide; 1-(2-Hydroxyethyl)-4-[2-(7-diethylamino-2-oxo-2H-chromen-3-yl)vinyl]pyridinium bromide; Coumarin-Pyridinium Dye Intermediate; 7-Diethylamino-3-[2-(1-(2-hydroxyethyl)pyridin-4-yl)vinyl]coumarin bromide; Fluorescent Pyridinium Salt; Chromen-2-one derivative; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our production of this high-purity specialty chemical adheres to stringent Good Manufacturing Practice (GMP) principles where applicable. Every batch undergoes comprehensive analytical characterization, including HPLC for purity, NMR for structural confirmation, and mass spectrometry, to ensure identity, strength, and composition. A detailed Certificate of Analysis (COA) documenting all test results is provided with each shipment to guarantee traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation from moisture absorption.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.