Overview
4-Fluoro-2-(trifluoromethyl)benzaldehyde is a fluorinated aromatic compound that serves as a valuable building block in fine chemical synthesis. The molecule combines an aldehyde functional group with both fluorine and trifluoromethyl substituents, making it particularly useful for introducing fluorine atoms into target molecules. This specialty chemical has gained importance in pharmaceutical research where fluorine incorporation can significantly alter a drug's metabolic stability and bioavailability. The compound's commercial availability has increased in recent years to meet growing demand from the life sciences sector.
Physical and Chemical Properties
The compound presents as a colorless to slightly yellow liquid at room temperature with a characteristic aromatic aldehyde odor. Its density of approximately 1.42 g/cm³ is higher than many non-fluorinated analogs due to the presence of multiple heavy fluorine atoms. Key chemical characteristics include the electron-withdrawing nature of both the fluorine and trifluoromethyl groups, which activate the aldehyde toward nucleophilic addition reactions. The fluorine atoms also impart enhanced stability against metabolic degradation, a property particularly valued in pharmaceutical applications. The compound shows good solubility in common organic solvents but negligible water solubility.
Main Applications
In pharmaceutical synthesis, this aldehyde serves as a key intermediate for producing fluorinated drug candidates, particularly in CNS and anti-inflammatory medications. The trifluoromethyl group often enhances biological activity while the fluorine improves metabolic stability. The agrochemical industry utilizes it in synthesizing advanced pesticides and herbicides, where fluorination improves compound efficacy and environmental persistence. Additionally, it finds use in materials science for creating specialty polymers with enhanced thermal and chemical resistance properties.
Safety and Storage
As a reactive aldehyde, proper handling requires appropriate personal protective equipment including chemical-resistant gloves, goggles, and fume control. The compound may cause skin and eye irritation upon contact and should be used in well-ventilated areas. Storage recommendations include keeping containers tightly sealed in a cool, dry location separate from oxidizing agents and strong bases. Secondary containment is advised due to the compound's flammability. Shelf life typically exceeds two years when stored properly under inert atmosphere.
B2B Procurement Guide
When sourcing this specialty chemical, buyers should verify the supplier's fluorination expertise and quality control processes. Key specifications to request include HPLC purity (typically 97-99%), water content (<0.5%), and absence of heavy metal contaminants. Batch-to-batch consistency is critical for pharmaceutical applications. Consider suppliers who provide comprehensive analytical documentation including NMR and MS spectra. For larger quantities (100+ kg), negotiate pricing based on annual volume commitments. Lead times for custom synthesis can range from 4-8 weeks depending on supplier capacity.
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