Description

7-Nitro-3,4-benzocoumarin is a specialized nitro-substituted benzocoumarin derivative, a key heterocyclic building block in advanced organic synthesis. Its unique fused-ring structure with an electron-withdrawing nitro group makes it a valuable precursor for developing novel fluorescent dyes, pharmaceutical intermediates, and functional materials. This high-purity intermediate is essential for research and production in fine chemical, agrochemical, and material science industries seeking to create compounds with specific optical or biological properties.

Application

• Pharmaceutical Intermediate: Serves as a core scaffold for the synthesis of potential drug candidates, particularly in developing compounds with coumarin-based biological activity.
• Fluorescent Dye & Probe Synthesis: Used as a key precursor for creating nitrobenzocoumarin-based fluorescent markers, sensors, and imaging agents due to its inherent photophysical properties.
• Agrochemical Research: Employed in the development of new active ingredients for crop protection, leveraging the bioactivity of the coumarin nucleus.
• Organic Light-Emitting Diode (OLED) Materials: Acts as an intermediate in the production of electron-transport or emissive layer materials for electronic displays.
• Polymer & Material Science: Incorporated into specialty polymers or coatings to impart specific optical characteristics or to act as a photoinitiator component.
• Academic & Industrial R&D: A crucial reagent for synthetic organic chemists exploring novel heterocyclic reactions and structure-activity relationships.

Basic Information

Product Name	7-Nitro-3,4-benzocoumarin
CAS No.	6638-64-8
Molecular Formula	C₁₃H₇NO₄
Molecular Weight	241.20 g/mol
Synonyms	7-Nitro-3,4-benzopyrone; 7-Nitro-3,4-benzochromen-2-one; 7-Nitro-3,4-coumarin; 2H-1-Benzopyran-2-one, 7-nitro-; 7-Nitrobenzocoumarin; 3,4-Benzocoumarin, 7-nitro-; 7-Nitro-3,4-dihydrocoumarin (incorrect but common alias)
EINECS	Contact for details

Quality Control

Our 7-Nitro-3,4-benzocoumarin is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity assay and identity confirmation by FT-IR and NMR spectroscopy, to ensure it meets exacting research and industrial-grade specifications. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent batch-to-batch quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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