Intermediates

4-(Trifluoromethylthio)bromobenzene

  • CAS No.333-47-1
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 4-(Trifluoromethylthio)bromobenzene (CAS 333-47-1), 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-(Trifluoromethylthio)bromobenzene is a high-value fluorinated aromatic building block widely employed as a key intermediate in modern organic synthesis. With its unique combination of bromine and trifluoromethylthio functional groups, this compound serves as a critical precursor in the development of complex molecules for pharmaceuticals, crop protection agents, and specialty materials. Its reactivity profile enables diverse transformations, including cross-coupling reactions, nucleophilic substitutions, and heterocycle formations.

Specifications

Molecular FormulaC₇H₄BrF₃S
Molecular Weight257.071 g/mol
CAS Number333-47-1
AppearanceColorless to light yellow transparent liquid
Assay≥98.0%
Density1.7 ± 0.1 g/cm³
Boiling Point164.9 ± 40.0 °C at 760 mmHg
Flash Point53.5 ± 27.3 °C
Vapour Pressure2.5 ± 0.3 mmHg at 25°C
Refractive Index1.547

Industrial Applications

This fluorinated aryl bromide is primarily utilized as a synthetic intermediate in multi-step organic routes. Its applications include:

  • Serving as a substrate in palladium-catalyzed Suzuki, Stille, and Negishi cross-coupling reactions.
  • Enabling the introduction of the SCF₃ moiety—a highly lipophilic and metabolically stable group—into bioactive molecule scaffolds.
  • Facilitating the construction of novel heterocyclic systems for drug discovery programs.
  • Supporting agrochemical innovation through the synthesis of next-generation active ingredients.

Stored in a cool, well-ventilated area away from incompatible materials, 4-(Trifluoromethylthio)bromobenzene is typically supplied in 200 kg drums or customized packaging to meet global regulatory and logistical requirements.