Intermediates

4-Bromo-3-(trifluoromethyl)phenol

  • CAS No.320-49-0
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 4-Bromo-3-(trifluoromethyl)phenol (CAS 320-49-0), a versatile fluorinated aromatic intermediate for advanced organic synthesis in pharmaceutical and agrochemical R&D.

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Product Technical Details

Product Overview

4-Bromo-3-(trifluoromethyl)phenol is a high-value fluorinated aromatic building block widely employed as a key intermediate in the synthesis of complex organic molecules. With its unique combination of bromo and trifluoromethyl substituents adjacent to a phenolic hydroxyl group, this compound offers exceptional reactivity for cross-coupling reactions, nucleophilic substitutions, and functional group transformations. It serves as a critical precursor in the development of active pharmaceutical ingredients (APIs), crop protection agents, and specialty materials requiring enhanced metabolic stability and lipophilicity.

Specifications

Molecular FormulaC7H4BrF3O
Molecular Weight241.005 g/mol
CAS Number320-49-0
AppearanceOff-white powder
Assay≥98.0%
Melting Point44–46°C
Boiling Point234.9 ± 35.0 °C at 760 mmHg
Density1.8 ± 0.1 g/cm³
Flash Point95.8 ± 25.9 °C
Vapour Pressure0.0 ± 0.5 mmHg at 25°C
Refractive Index1.505

Industrial Applications

This fluorinated phenolic intermediate is primarily utilized in multi-step synthetic routes within the pharmaceutical and agrochemical industries. Its bromine atom enables efficient palladium-catalyzed cross-coupling (e.g., Suzuki, Sonogashira), while the electron-withdrawing trifluoromethyl group modulates electronic properties and enhances bioavailability in target molecules. Common applications include:

  • Synthesis of novel kinase inhibitors and anti-inflammatory agents
  • Construction of fluorinated heterocyclic scaffolds for drug discovery
  • Development of herbicides and fungicides with improved environmental profiles
  • Preparation of liquid crystals and advanced polymeric materials

Stored in a cool, well-ventilated area away from oxidizing agents, 4-Bromo-3-(trifluoromethyl)phenol is typically supplied in 25 kg drums or customized packaging to meet global regulatory and logistical requirements.