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Comprehensive Overview of 1-Chloro-3-ethoxy-2-fluorobenzene (CAS No. 909122-16-3): Properties, Applications, and Industry Trends

1-Chloro-3-ethoxy-2-fluorobenzene (CAS No. 909122-16-3) is a specialized aromatic compound widely used in pharmaceutical intermediates, agrochemical synthesis, and advanced material research. Its unique molecular structure, featuring a chloro, ethoxy, and fluoro substitution pattern, makes it a versatile building block for fine chemical applications. With increasing demand for halogenated benzene derivatives in drug discovery, this compound has gained significant attention in recent years.

The compound’s physicochemical properties include a molecular weight of 174.59 g/mol, a boiling point of approximately 210–215°C, and moderate solubility in organic solvents like ethanol and dichloromethane. Researchers often explore its reactivity in cross-coupling reactions, such as Suzuki-Miyaura or Buchwald-Hartwig reactions, which are critical for constructing complex molecules in medicinal chemistry. Recent studies highlight its role in synthesizing biologically active compounds, particularly those targeting neurological and inflammatory pathways.

In the context of green chemistry, 1-Chloro-3-ethoxy-2-fluorobenzene has been evaluated for sustainable synthesis routes. Industry trends emphasize reducing hazardous byproducts, and this compound’s stability allows for cleaner catalytic processes. A 2023 market analysis noted a 12% annual growth in demand for fluorinated benzene derivatives, driven by their applications in electronic materials and liquid crystal displays (LCDs).

Frequently asked questions about CAS No. 909122-16-3 include its storage conditions (recommended: inert atmosphere, 2–8°C), handling precautions (use PPE under fume hoods), and supply chain availability. Analytical methods like GC-MS and HPLC are typically employed for purity verification (>98%), a key concern for pharmaceutical-grade buyers. The compound’s patent landscape reveals over 50 filings since 2015, underscoring its industrial relevance.

Emerging applications include its use in organic light-emitting diodes (OLEDs) and photovoltaic materials, aligning with global shifts toward renewable energy technologies. Researchers also investigate its potential in metal-organic frameworks (MOFs) for gas storage. As regulatory frameworks evolve, manufacturers prioritize REACH compliance and lifecycle assessment data to meet EU and North American standards.

In summary, 1-Chloro-3-ethoxy-2-fluorobenzene exemplifies the intersection of innovation and practicality in modern chemistry. Its adaptability across industries—from drug development to advanced materials—positions it as a critical component in next-generation technologies. Future research may explore its enantioselective transformations or catalytic recycling methods to further enhance sustainability.

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