Definition
Bromofluoromethane is a halogenated methane compound with the molecular formula CH₂BrF. It consists of a single carbon atom bonded to two hydrogen atoms, one bromine atom, and one fluorine atom.
Overview
Bromofluoromethane belongs to the class of haloalkanes (halomethanes) and is an organobromine and organofluorine compound. It is typically encountered as a colorless gas under standard temperature and pressure conditions. The molecule is of interest in organic synthesis as a potential intermediate for the introduction of bromine or fluorine substituents and has been studied in the context of atmospheric chemistry due to the reactivity of halogenated methanes. Commercial availability is limited, and handling requires standard precautions for volatile halogenated organics.
Etymology/Origin
The name "bromofluoromethane" combines the prefixes “bromo‑” (denoting the presence of bromine) and “fluoro‑” (denoting the presence of fluorine) with the parent hydrocarbon “methane,” indicating a methane molecule in which two hydrogen atoms have been replaced by bromine and fluorine, respectively.
Characteristics
- Molecular composition: CH₂BrF
- Molecular weight: Approximately 101.9 g·mol⁻¹.
- Physical state: Gas at 25 °C and 1 atm.
- Reactivity: Like other haloalkanes, bromofluoromethane can undergo nucleophilic substitution and elimination reactions. The carbon–bromine bond is generally more labile than the carbon–fluorine bond, influencing its chemical behavior.
- Environmental aspects: Halogenated methanes can contribute to ozone depletion and act as greenhouse gases; however, specific atmospheric impact data for bromofluoromethane are limited.
- Safety considerations: As a volatile halogenated compound, it may be irritant to the respiratory system and should be handled in a well‑ventilated area with appropriate personal protective equipment. Detailed toxicological data are not widely published; therefore, standard hazardous‑material protocols apply.
Accurate information regarding precise thermodynamic properties (e.g., exact boiling point, melting point, vapor pressure) and comprehensive toxicological profiles is not confirmed across publicly available encyclopedic sources.
Related Topics
- Halomethanes (e.g., chloromethane, bromomethane, fluoromethane)
- Organobromine compounds
- Organofluorine chemistry
- Atmospheric chemistry of halogenated hydrocarbons
- Nucleophilic substitution reactions in organic chemistry
This entry summarizes currently available, verifiable information on bromofluoromethane. Where data are scarce or inconsistent, the lack of confirmation has been explicitly noted.