Description

Benzofuro[2,3-B]Pyridinium, 1-Ethyl-2-[3-(1-Ethylbenzofuro[2,3-B]Pyridin-2(1H)-Ylidene)-1-Propenyl]- (9Ci) is a specialized heterocyclic organic compound belonging to the benzofuropyridinium class, valued for its unique photophysical and electronic properties. This compound is a critical advanced intermediate in the synthesis of functional dyes, optical materials, and organic semiconductors. It is primarily sought by R&D chemists and process engineers in the fine chemical, advanced material science, and specialty dye manufacturing sectors for developing next-generation products.

Application

• Synthesis of Functional Dyes: A key precursor for creating near-infrared (NIR) absorbing dyes, cationic dyes, and polymethine cyanine dyes used in imaging and sensing.
• Organic Electronics: Serves as a building block for organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and other optoelectronic devices due to its charge-transport characteristics.
• Photodynamic Therapy (PDT) Agents: Used in the research and development of photosensitizers for medical and biological applications.
• Nonlinear Optical (NLO) Materials: Employed in the fabrication of materials for optical limiting, frequency doubling, and telecommunications.
• Fluorescent Probes and Labels: Acts as a core structure for developing sensitive fluorescent tags and probes for bioanalytical and diagnostic assays.
• Academic and Industrial Research: A valuable reagent for studying structure-property relationships in heterocyclic and cationic π-conjugated systems.

Basic Information

Item	Details
Product Name	Benzofuro[2,3-B]Pyridinium, 1-Ethyl-2-[3-(1-Ethylbenzofuro[2,3-B]Pyridin-2(1H)-Ylidene)-1-Propenyl]- (9Ci)
CAS No.	765838-78-6
Molecular Formula	C27H24N2O2+ (Counterion typically provided)
Molecular Weight	408.50 g/mol (for cation)
Synonyms	1-Ethyl-2-[3-(1-ethylbenzofuro[2,3-b]pyridin-2(1H)-ylidene)prop-1-en-1-yl]benzofuro[2,3-b]pyridinium; Benzofuro[2,3-b]pyridinium, 1-ethyl-2-[3-(1-ethyl-1,2-dihydrobenzofuro[2,3-b]pyridin-2-ylidene)-1-propenyl]-, (9Cl); Cyanine dye intermediate BFPC; BFPC Dye Precursor
EINECS	Contact for details

Quality Control

Our production of Benzofuro[2,3-B]Pyridinium, 1-Ethyl-2-[3-(1-Ethylbenzofuro[2,3-B]Pyridin-2(1H)-Ylidene)-1-Propenyl]- (9Ci) adheres to stringent GMP and ISO 9001 guidelines to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical characterization including HPLC for purity, NMR for structural confirmation, and mass spectrometry. Certificates of Analysis (COA) detailing all specifications are provided with every 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). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) when not in use to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 1.0%
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.