Bromodifluoromethane

Structural formula
General
Surname	Bromodifluoromethane
other names	Difluorobromomethane; Halon 1201; FC-22B1;
Molecular formula	CHBrF 2
External identifiers / databases
EC number	216-149-1
ECHA InfoCard	100.014.681
PubChem	62407
Wikidata	Q2354896
properties
Molar mass	130.92 g mol −1
Physical state	gaseous
density	2.71 g cm −3 (as a solid)
Melting point	−145 ° C
boiling point	−15.6 ° C
solubility	soluble in water; very soluble in ethanol;
safety instructions
GHS hazard labeling ; no classification available
GHS hazard labeling ; no classification available
Global warming potential	454 (based on 100 years)
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Bromodifluoromethane is a chemical compound from the group of halogenated hydrocarbons .

Extraction and presentation

Bromodifluoromethane can be obtained by reacting dibromodifluoromethane with hydrogen at 400 to 600 ° C.

properties

Bromodifluoromethane is a gas that is soluble in water. The decomposition time in the atmosphere is assumed to be seven years.

use

Bromodifluoromethane was used as a coolant and fire extinguishing agent. It was developed as a replacement for Halon 1301 and Halon 1211 and approved in the USA in 1990, but banned again after 2000 due to its ozone depletion potential .

Individual evidence

↑ ^a ^b ^c ^d ^e ^f William M. Haynes: CRC Handbook of Chemistry and Physics, 96th Edition . CRC Press, 2015, ISBN 978-1-4822-6097-7 , pp. 64 ( limited preview in Google Book search).
^ Carl L. Yaws: Thermophysical Properties of Chemicals and Hydrocarbons . William Andrew, 2014, ISBN 978-0-323-29060-9 , pp. 265 ( limited preview in Google Book search).
↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
↑ G. Myhre, D. Shindell et al .: Climate Change 2013: The Physical Science Basis . Working Group I contribution to the IPCC Fifth Assessment Report. Ed .: Intergovernmental Panel on Climate Change . 2013, Chapter 8: Anthropogenic and Natural Radiative Forcing, pp. 24-39; Table 8.SM.16 ( PDF ).
↑ wipo.int: US1990007105 METHOD FOR THE PRODUCTION OF BROMODIFLUOROMETHANE , accessed on April 2, 2016
↑ R. Talukdar, A. Mellouki, T. Gierczak, JB Burkholder, SA McKeen, AR Ravishankara: Atmospheric Lifetime of CHF2Br, a Proposed substitutes for Halon. In: Science. 252, 1991, pp. 693-695, PMID 17746668 .
^ Mark Anthony Benvenuto: Industrial Chemistry For Advanced Students . Walter de Gruyter GmbH & Co KG, 2015, ISBN 978-3-11-035170-5 , p. 115 ( limited preview in Google Book search).
^ Thomas E. Higgins: Pollution Prevention Handbook . CRC Press, 1995, ISBN 978-1-56670-145-7 , pp. 223 ( limited preview in Google Book search).

[William_M._Haynes-1] ↑ ^a ^b ^c ^d ^e ^f William M. Haynes: CRC Handbook of Chemistry and Physics, 96th Edition . CRC Press, 2015, ISBN 978-1-4822-6097-7 , pp. 64 ( limited preview in Google Book search).

[Carl_L._Yaws-2] Carl L. Yaws: Thermophysical Properties of Chemicals and Hydrocarbons . William Andrew, 2014, ISBN 978-0-323-29060-9 , pp. 265 ( limited preview in Google Book search).

[NV-3] This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.

[4] G. Myhre, D. Shindell et al .: Climate Change 2013: The Physical Science Basis . Working Group I contribution to the IPCC Fifth Assessment Report. Ed .: Intergovernmental Panel on Climate Change . 2013, Chapter 8: Anthropogenic and Natural Radiative Forcing, pp. 24-39; Table 8.SM.16 ( PDF ).

[wipo.int-5] wipo.int: US1990007105 METHOD FOR THE PRODUCTION OF BROMODIFLUOROMETHANE , accessed on April 2, 2016

[PMID17746668-6] R. Talukdar, A. Mellouki, T. Gierczak, JB Burkholder, SA McKeen, AR Ravishankara: Atmospheric Lifetime of CHF2Br, a Proposed substitutes for Halon. In: Science. 252, 1991, pp. 693-695, PMID 17746668 .

[Mark_Anthony_Benvenuto-7] Mark Anthony Benvenuto: Industrial Chemistry For Advanced Students . Walter de Gruyter GmbH & Co KG, 2015, ISBN 978-3-11-035170-5 , p. 115 ( limited preview in Google Book search).

[Thomas_E._Higgins-8] Thomas E. Higgins: Pollution Prevention Handbook . CRC Press, 1995, ISBN 978-1-56670-145-7 , pp. 223 ( limited preview in Google Book search).