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Description
2,5-Difluorobenzophenone is an aromatic ketone that carries two fluorine atoms on one of its benzene rings, which places it in the family of fluorinated building blocks. Structurally, it consists of a central carbonyl group linking two aryl rings, one of which is difluorinated. In the laboratory it serves as a starting scaffold for constructing larger molecules that require an aryl–aryl carbonyl unit at their core, giving synthetic chemists a compact, well-defined intermediate from which more elaborate structures can be assembled step by step.
The main reason this compound is selected is the strong influence of the fluorine atoms on the electronic character of the molecule. Fluorine is highly electronegative and lowers the electron density of the aromatic ring, making the substituted positions more susceptible to nucleophilic aromatic substitution — a route very frequently used to install ether, amine, or thioether groups. In addition, the presence of fluorine generally improves metabolic stability and lipophilicity in active compound candidates, which is why fluorinated building blocks are in high demand during molecular optimisation work. The carbonyl group itself also remains available for further transformation.
The combination of a benzophenone core and fluorine substituents makes this material useful in pharmaceutical synthesis, agrochemical research, and high-performance polymer materials, because a single molecule already provides both a reactive carbonyl centre and fluorine-activated reaction sites on the ring. In Indonesian laboratories it is typically handled in university and institutional research groups, pharmaceutical and agrochemical R&D units, and materials chemistry laboratories that carry out multi-step organic synthesis and require reliable, characterised intermediates from an established supplier.
Laboratory Applications
- Nucleophilic aromatic substitution chemistry — the fluorine-activated ring positions are readily displaced by oxygen, nitrogen, and sulfur nucleophiles, allowing ether, amine, or thioether linkages to be installed cleanly.
- Pharmaceutical intermediate synthesis — the difluorinated benzophenone scaffold provides a fluorine-bearing core that supports metabolic stability and lipophilicity tuning during medicinal chemistry lead optimisation programmes.
- Agrochemical research and development — the compound acts as a starting framework for building larger fluorinated active structures where both the carbonyl and the activated ring can be functionalised.
- High-performance polymer chemistry — displacement of the activated aryl fluorines by bisphenols or similar nucleophiles allows the aryl ketone unit to be incorporated into thermally demanding polymer backbones.
- Carbonyl group transformations — the central aryl–aryl ketone remains open to reduction, addition, and condensation reactions, letting chemists elaborate the scaffold without disturbing the fluorinated ring.
Specifications
- Brand: TCI
- Catalogue reference: D3598
- CAS number: 85068-36-6
- Chemical name: 2,5-Difluorobenzophenone
- Category: Chemistry > Building Blocks > Fluorinated Building Blocks
- Pack sizes: available in standard TCI research and laboratory-scale packaging; please refer to the listed pack options when ordering
Handling and Storage
Store the container tightly closed in a cool, dry, well-ventilated place, away from direct sunlight, heat sources, and incompatible reagents such as strong oxidising agents and strong bases. Keep the material in its original supplier container, or in a clean, chemically compatible and clearly labelled amber glass vessel if transferred. Handle inside a fume hood using safety glasses, chemical-resistant gloves, and a laboratory coat, avoiding inhalation of dust or vapour and contact with skin and eyes. Close the container promptly after weighing to limit moisture uptake, and always consult the manufacturer's safety data sheet before use and before disposing of residues through approved chemical waste channels.
