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• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Halobenzenes Fluorobenzenes
• Solvents and Organic Chemicals Organic Compounds Organic Halides

Comprehensive Guide to 1-Bromo-3-chloro-5-fluorobenzene (CAS No. 33863-76-2): Properties, Applications, and Industry Insights

1-Bromo-3-chloro-5-fluorobenzene (CAS No. 33863-76-2) is a halogenated aromatic compound widely utilized in pharmaceutical, agrochemical, and material science research. Its unique structure, featuring bromine, chlorine, and fluorine substituents on a benzene ring, enables versatile reactivity in cross-coupling reactions and functional group transformations. This article explores its physicochemical properties, synthetic applications, and emerging trends in demand, addressing frequently searched queries like "1-Bromo-3-chloro-5-fluorobenzene synthesis" and "CAS 33863-76-2 safety data."

The compound’s molecular formula, C6H3BrClF, and molecular weight of 209.44 g/mol make it a valuable intermediate for designing active pharmaceutical ingredients (APIs). Researchers often search for "halogenated benzene derivatives in drug discovery" due to their role in modulating bioavailability and metabolic stability. With a melting point of 32–35°C and boiling point of 210–212°C, 1-Bromo-3-chloro-5-fluorobenzene exhibits optimal stability for storage and handling under inert conditions.

In organic synthesis, this compound is pivotal for Suzuki-Miyaura and Buchwald-Hartwig couplings, frequently mentioned in searches like "palladium-catalyzed reactions with bromo-chloro-fluorobenzene." Its electron-withdrawing halogens enhance electrophilic aromatic substitution, enabling precise regioselectivity. Recent publications highlight its use in OLED materials and liquid crystal formulations, aligning with trends in "high-performance electronic materials" searches.

Environmental and regulatory considerations are critical for users. While not classified as hazardous under standard guidelines, proper personal protective equipment (PPE)—such as gloves and goggles—is recommended. Searches for "CAS 33863-76-2 handling precautions" emphasize the need for ventilation and avoidance of direct contact. The compound’s low water solubility (0.1 g/L at 25°C) minimizes ecological risks, but disposal should follow local regulations.

Market analytics reveal growing demand for multihalogenated benzenes in crop protection chemicals, driven by queries like "fluorinated agrochemical intermediates." Its role in developing herbicides and fungicides underscores its agricultural relevance. Additionally, the rise of green chemistry has spurred interest in catalytic methods to reduce waste during its synthesis, a topic trending in "sustainable halogenation techniques."

For analytical purposes, GC-MS and HPLC are standard techniques to verify purity, often referenced in "CAS 33863-76-2 analytical methods" searches. Suppliers typically provide ≥98% purity, with isotopic labeling (13C/2H variants) available for tracer studies. Storage in amber glass under nitrogen is advised to prevent degradation, a detail frequently sought in "long-term storage of halogenated aromatics."

Innovations in flow chemistry have optimized large-scale production, reducing costs and improving yield—key concerns in "bulk 1-Bromo-3-chloro-5-fluorobenzene suppliers" queries. Patent databases show increasing applications in photoresist materials for semiconductor manufacturing, linking to searches like "halobenzene in microfabrication."

In summary, 1-Bromo-3-chloro-5-fluorobenzene (CAS No. 33863-76-2) bridges multiple industries, from life sciences to advanced materials. Its structural versatility and compatibility with modern synthetic protocols ensure sustained relevance, while evolving regulations and sustainability goals shape its future applications.

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