What Is (Chlorodifluoromethyl)benzene?

(Chlorodifluoromethyl)benzene (PhCF₂Cl) is an organofluorine compound consisting of a benzene ring substituted with a chlorodifluoromethyl (–CF₂Cl) group. The simultaneous presence of two fluorine atoms and one chlorine atom on the same carbon imparts distinctive electronic and physicochemical characteristics to the molecule, including enhanced lipophilicity and metabolic stability relative to non-fluorinated analogues.

The compound belongs to the broader family of gem-difluorinated benzylic halides, which have attracted growing interest in medicinal chemistry and materials science owing to the unique properties conferred by the CF₂ unit. It is catalogued under Aladdin Scientific as SKU C468138.

Key Chemical Properties and Reactivity

The –CF₂Cl group in (Chlorodifluoromethyl)benzene is electrophilic at carbon due to the combined inductive withdrawal of both fluorine and chlorine atoms. This makes the compound a useful precursor for generating difluorocarbene (:CF₂) under appropriate base or thermolytic conditions. Difluorocarbene is a highly reactive intermediate that can insert into C–H bonds, react with alkenes to form difluorocyclopropanes, and participate in other carbene-type transformations.

Additionally, the compound can act as a direct electrophilic difluoromethylating agent in transition-metal-catalysed cross-coupling reactions and nucleophilic substitution processes. The C–Cl bond is more reactive than C–F bonds under standard reaction conditions, providing chemoselectivity for synthetic manipulation. Storage under inert atmosphere at low temperature is recommended to preserve reagent integrity.

Applications in Synthesis and Research

(Chlorodifluoromethyl)benzene finds application across several domains of synthetic chemistry:

• Difluorocyclopropanation: Reaction with electron-rich alkenes in the presence of base generates difluorocyclopropane derivatives, motifs of interest in drug discovery and agrochemical research.
• Difluoromethylation of nucleophiles: The reagent can transfer the –CF₂Ph group to heteroatom or carbon nucleophiles under suitable catalytic conditions, enabling installation of the gem-difluorobenzyl moiety into target molecules.
• Medicinal chemistry: Introduction of a CF₂ group is a recognised bioisosteric strategy to modulate pKa, membrane permeability, and metabolic resistance of drug candidates.
• Materials and polymer science: Fluorinated fragments derived from this reagent contribute to surface-active, thermally stable, or low-refractive-index materials.

Safe Handling and Storage Guidelines

As a halogenated organic compound, (Chlorodifluoromethyl)benzene should be handled with appropriate laboratory precautions:

• Personal Protective Equipment (PPE): Use chemical-resistant gloves, safety glasses or goggles, and a laboratory coat. Work in a well-ventilated fume hood to minimise inhalation exposure.
• Storage: Store in a tightly sealed container under an inert atmosphere (nitrogen or argon) in a cool, dry location away from strong bases, oxidisers, and moisture. Refrigerated storage is typically recommended.
• Waste Disposal: Dispose of waste material in accordance with local, national, and institutional regulations for halogenated organic solvents and reagents.
• Emergency Measures: In case of skin or eye contact, rinse immediately with copious water and seek medical advice. Consult the Safety Data Sheet (SDS) for complete hazard information before use.

Always consult the current SDS provided by Aladdin Scientific for authoritative and up-to-date safety information specific to product C468138.

Ordering and Product Specifications

Aladdin Scientific supplies (Chlorodifluoromethyl)benzene under SKU C468138. Researchers and procurement teams should note the following when ordering:

• Purity and Grade: Confirm the specific purity grade (e.g., reagent grade, high-purity) listed on the product page at the time of purchase, as specifications may be updated. For sensitive applications, request a Certificate of Analysis (CoA).
• Pack Sizes: Available pack sizes should be confirmed on the Aladdin Scientific product listing. Select the appropriate quantity to minimise storage duration and reduce waste.
• Lead Time and Shipping: Check current stock availability on the website. Halogenated reagents may be subject to specific shipping regulations; confirm with Aladdin Scientific customer service if international shipping is required.
• Quality Documentation: CoA, SDS, and NMR spectra (where available) can be requested through Aladdin Scientific customer support or downloaded from the product page.