In the vast landscape of organic chemistry, certain molecules stand out for their unique structural features and versatile reactivity. 1-Bromo-1-fluoroethylene, identified by CAS number 420-25-7, is one such compound, serving as a vital building block across several industries, including pharmaceuticals, agrochemicals, and material science. This article aims to provide a detailed look at its properties, applications, and guidance for procurement professionals seeking to buy this essential chemical.

Understanding the Chemical Profile

1-Bromo-1-fluoroethylene is a halogenated alkene with the molecular formula C2H2BrF and a molecular weight of 124.94 g/mol. Key physical properties often cited by manufacturers and suppliers include:

  • Boiling Point: Approximately 12.9°C at 760mmHg, indicating it is a volatile liquid under standard conditions.
  • Density: Around 1.664 g/cm³, which is significantly denser than water.
  • Purity: Typically available with a minimum purity of 95% or 97%, crucial for demanding synthetic applications.

Its chemical reactivity stems from the vinyl halide nature, allowing participation in a wide array of organic transformations. This makes it a sought-after intermediate for chemists looking to construct complex molecular frameworks.

Key Applications Across Industries

The utility of 1-bromo-1-fluoroethylene spans multiple sectors:

  • Pharmaceutical Synthesis: As a key intermediate, it aids in the creation of new drug molecules by facilitating the introduction of fluorine atoms and enabling carbon-carbon bond formation through various coupling reactions.
  • Agrochemical Development: It serves as a crucial building block for developing advanced herbicides, insecticides, and fungicides, contributing to more effective and environmentally sound crop protection strategies.
  • Material Science: Researchers utilize its unique structure for synthesizing novel polymers and functional materials with specific properties.
  • Organic Synthesis: More broadly, it is an indispensable reagent for academic and industrial researchers engaged in diverse synthetic projects requiring precisely tailored molecular structures.

Procurement Considerations: Buying 1-Bromo-1-fluoroethylene

For procurement managers and R&D scientists, sourcing this intermediate involves several considerations:

  • Supplier Reliability: It is vital to partner with established chemical manufacturers and suppliers who guarantee product quality and purity. China is a major source for such intermediates, with many reputable manufacturers offering competitive pricing.
  • Purity Levels: Always confirm the purity percentage (e.g., 97% min) to match your specific project requirements.
  • Technical Data: Requesting a Certificate of Analysis (CoA) is standard practice to verify product specifications and ensure batch consistency.
  • Bulk Purchasing: For larger projects, inquire about bulk pricing and supply agreements with manufacturers to secure cost-effectiveness and consistent availability.

Conclusion

1-Bromo-1-fluoroethylene (CAS 420-25-7) is a versatile and highly valuable chemical intermediate. Its unique properties make it indispensable for innovation in pharmaceuticals, agrochemicals, and material science. By carefully selecting suppliers and understanding product specifications, researchers and procurement professionals can confidently buy this compound, driving forward critical advancements in their respective fields.