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Exploring the important Versatility of 1-Bromo-2-fluorobenzene (1072-85-1) in Organic Synthesis

the Versatility of 1-Bromo-2-fluorobenzene (1072-85-1)

1-Bromo-2-fluorobenzene, with the chemical formula C6H4BrF, is an important building block in organic synthesis. This blog aims to delve into the versatility of 1-bromo-2-fluorobenzene and highlight its significance in various chemical reactions and applications.

Properties of 1-Bromo-2-fluorobenzene:

1-Bromo-2-fluorobenzene is a colorless liquid with a molecular weight of 171.00 g/mol. It has a boiling point of approximately 164°C and exhibits moderate solubility in common organic solvents. The combination of bromine and fluorine atoms on the benzene ring provides unique reactivity and opens up possibilities for diverse synthetic routes.

Applications in Organic Synthesis:

  1. Cross-Coupling Reactions: 1 Bromo 2 fluorobenzene serves as a valuable substrate in cross-coupling reactions, such as Suzuki-Miyaura and Heck coupling. These reactions involve the formation of carbon-carbon bonds, enabling the synthesis of complex organic molecules. The presence of both bromine and fluorine atoms enhances the compatibility with various coupling partners and expands the scope of transformations.
  2. Nucleophilic Substitution: The bromo group in 1 bromo-2-fluorobenzene makes it amenable to nucleophilic substitution reactions. It can undergo reactions with a variety of nucleophiles, including amines, alkoxides, and thiols, leading to the introduction of functional groups or the modification of existing ones. This versatility makes it a valuable intermediate in the synthesis of pharmaceuticals, agrochemicals, and fine chemicals.
  3. Building Block for Fluorinated Compounds: The presence of the fluorine atom in 1 bromo 2 fluorobenzene allows for the introduction of fluorine into more complex molecules. Fluorinated compounds often exhibit unique properties, such as increased lipophilicity or altered chemical reactivity. Thus, 1 bromo-2-fluorobenzene serves as a convenient precursor for the synthesis of these valuable fluorinated compounds.

Safety Considerations:

When working with 1-bromo-2-fluorobenzene, it is essential to follow safety precautions:

  1. Toxicity: 1-Bromo-2-fluorobenzene is classified as a hazardous substance and should be handled with caution. It may cause skin and eye irritation and can be harmful if swallowed or inhaled. Adequate ventilation, personal protective equipment, and proper handling practices are necessary to minimize exposure.
  2. Storage and Disposal: Store 1-bromo-2-fluorobenzene in a well-ventilated area away from heat sources and incompatible materials. Follow local regulations for the safe disposal of unused or waste material.


1-Bromo-2-fluorobenzene (1072-85-1) is a versatile compound that finds extensive use in organic synthesis. Its reactivity, compatibility in cross-coupling reactions, and ability to introduce fluorine atoms make it a valuable building block for the synthesis of complex organic molecules. However, it is crucial to prioritize safety measures when handling 1-bromo-2-fluorobenzene due to its toxicity. Adhering to proper safety protocols ensures the responsible and effective utilization of this compound in various chemical applications.

1 Bromo 2 fluorobenzene 1072 85 1
1 bromo 2 chlorobenzene(694-80-4)

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