Description

7,7'-Vinylenebis-2-Benzopyrone is a specialized organic compound belonging to the benzopyrone (coumarin) derivative family. This high-purity intermediate is valued for its unique conjugated structure, which makes it a critical building block in advanced material synthesis and pharmaceutical research. It is primarily sought by manufacturers and R&D teams in the fine chemical, pharmaceutical, and material science industries for developing novel compounds with specific optical or biological properties.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting specific biological pathways.
• Organic Light-Emitting Diodes (OLEDs): Used as a core building block or dopant material in the development of emissive layers for display and lighting technologies.
• Organic Photovoltaic (OPV) Research: Investigated as an electron-accepting or electron-donating component in the active layer of solar cells.
• Fluorescent Probe & Sensor Development: Serves as a fluorophore backbone for creating sensitive chemical or biological sensors due to its photophysical properties.
• Fine Chemical Synthesis: Employed in multi-step organic synthesis to construct complex molecular architectures for agrochemicals or specialty chemicals.
• Academic & Industrial R&D: Utilized in research laboratories for studying photochemical reactions, polymerization processes, and material properties.

Basic Information

Product Name	7,7'-Vinylenebis-2-Benzopyrone
CAS No.	79135-88-9
Molecular Formula	C₂₂H₁₂O₄
Molecular Weight	340.33 g/mol
Synonyms	7,7'-(Ethene-1,2-diyl)bis(2H-chromen-2-one); 7,7'-Vinylidenebiscoumarin; Bis(2-oxo-2H-chromen-7-yl)ethene; NSC 407347; 2H-Chromen-2-one, 7,7'-(1,2-ethenediyl)bis-; Coumarin, 7,7'-vinylidenebis-; 7,7'-Divinylidenebiscoumarin
EINECS	Contact for details

Quality Control

Our 7,7'-Vinylenebis-2-Benzopyrone is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets precise customer specifications and high industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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