Bromodifluoromethane

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Bromodifluoromethane
IUPAC name	Bromodifluoromethane
Other names	Difluorobromomethane, Halon 1201, HBFC-22B1, FC-22B1, R-22B1, FM-100
Identifiers
CAS number	[1511-62-2]
PubChem	62407
EINECS number	216-149-1
SMILES	C(F)(F)Br
InChI	1/CHBrF2/c2-1(3)4/h1H
Properties
Molecular formula	CHBrF2
Molar mass	130.92 g/mol
Appearance	Gas
Density	1.55 g/cm3 at 16 °C
Melting point	-145 °C (128 K)
Boiling point	-14.6 °C (258.6 K)
Solubility in water	Insoluble
Solubility	Alcohol, diethyl ether
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Bromodifluoromethane or Halon 1201 or FC-22B1 is a gaseous trihalomethane or a hydrobromofluorocarbon.

It can be prepared be reaction of hydrogen and dibromodifluoromethane at temperature in range 400 - 600 °C.^[1]

Critical point data: T_c = 138.83 °C (411.98 K); p_c = 5.2 MPa (51.32 bar); V_c = 0.275 dm³.mol^-1.

Bromodifluoromethane was used as a refrigerant and in fire extinguishers. It is a class I ozone depleting substance with ozone depletion potential ODP = 0.74. It was banned by Montreal Protocol in 2000.

[edit] See also

• Haloalkane
• Halomethane
• Trihalomethane
• Bromofluoromethane
• Dibromofluoromethane
• Dibromodifluoromethane

[edit] References

1. ^ Method for the production of bromodifluoromethane

[edit] External links

• Microwave Spectrum, Nuclear Quadrupole Coupling Constants, and Structure of Bromodifluoromethane
• The kinetics of the gas-phase thermal decomposition of bromodifluoromethane
• Infrared Absorption Spectra of Five Halomethanes