Bromotrifluoromethane

Bromotrifluoromethane
Names
Preferred IUPAC name
Bromotri(fluoro)methane
Other names
  • Bromotrifluoromethane
  • Trifluorobromomethane
  • Monobromotrifluoromethane
  • Trifluoromethyl bromide
  • Bromofluoroform
  • Carbon monobromide trifluoride
  • Halon 1301
  • BTM
  • Freon 13BI
  • Freon FE 1301
  • R 13B1
  • Halon 1301 BTM
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.000.807 Edit this at Wikidata
EC Number
  • 200-887-6
RTECS number
  • PA5425000
UNII
UN number 1009
  • InChI=1S/CBrF3/c2-1(3,4)5 checkY
    Key: RJCQBQGAPKAMLL-UHFFFAOYSA-N checkY
  • InChI=1/CBrF3/c2-1(3,4)5
    Key: RJCQBQGAPKAMLL-UHFFFAOYAV
  • BrC(F)(F)F
Properties
CBrF3
Molar mass 148.910 g·mol−1
Appearance Colorless gas
Odor Odorless[1]
Density 1.538 g/cm3 (at −58 °C (−72 °F))
Melting point −167.78 °C (−270.00 °F; 105.37 K)
Boiling point −57.75 °C (−71.95 °F; 215.40 K)
0.03 g/L (20 °C (68 °F))
log P 1.86
Vapor pressure 1434 kPa (20 °C (68 °F))
Hazards
Flash point Non-flammable
Lethal dose or concentration (LD, LC):
834,000 ppm (rat, 15 min)[2]
NIOSH (US health exposure limits):
PEL (Permissible)
 TWA 1000 ppm (6100 mg/m3)[1]
REL (Recommended)
 TWA 1000 ppm (6100 mg/m3)[1]
IDLH (Immediate danger)
 40,000 ppm[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

Bromotrifluoromethane, commonly referred to by the code numbers Halon 1301, R13B1, Halon 13B1 or BTM, is an organic halide with the chemical formula CBrF3. It is used for gaseous fire suppression as a far less toxic alternative to bromochloromethane.[3]

  1. ^ a b c d NIOSH Pocket Guide to Chemical Hazards. "#0634". National Institute for Occupational Safety and Health (NIOSH).
  2. ^ "Trifluorobromomethane". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).
  3. ^ Dagani, M. J.; Barda, H. J.; Benya, T. J.; Sanders, D. C. "Bromine Compounds". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a04_405. ISBN 978-3527306732.