Dibromodifluoromethane

Dibromodifluoromethane
Names
	Preferred IUPAC name Dibromo(difluoro)methane
	Other names Dibromodifluoromethane; Difluorodibromomethane; Carbon dibromide difluoride; Carbon bromide fluoride; Halon 1202; Fluorocarbon 12-B2; FC 12-B2; R 12B2; UN 1941; Freon 12B2
Identifiers
CAS Number	75-61-6 ;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL499553 ;
ChemSpider	6142 ;
ECHA InfoCard	100.000.805
EC Number	200-885-5;
PubChem CID	6382;
RTECS number	PA7525000;
UNII	82022727JD ;
UN number	1941
CompTox Dashboard (EPA)	DTXSID9058789 ;
	InChI InChI=1S/CBr2F2/c2-1(3,4)5 Key: AZSZCFSOHXEJQE-UHFFFAOYSA-N ; InChI=1/CBr2F2/c2-1(3,4)5;
	SMILES BrC(F)(F)Br;
Properties
Chemical formula	CBr2F2
Molar mass	209.82 g/mol
Appearance	Colourless gas/liquid
Density	8.7 kg/m3 (for gas); 2.27 g/cm3 (for liquid);
Melting point	−101.1 °C (−150.0 °F; 172.1 K)
Boiling point	22.8 °C (73.0 °F; 295.9 K)
Solubility in water	Insoluble
log P	1.99
Vapor pressure	83 kPa at 20 °C
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H420
Precautionary statements	P502
NFPA 704 (fire diamond)	2 0 0
Flash point	Non-flammable
	NIOSH (US health exposure limits):
PEL (Permissible)	TWA 100 ppm (860 mg/m3)
REL (Recommended)	TWA 100 ppm (860 mg/m3)
IDLH (Immediate danger)	2000 ppm
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Dibromodifluoromethane is a mixed halomethane. It is a colorless non-flammable liquid. Along with Halons 1211, 2402, and 1301, it is one of the most effective fire extinguishers, however, it is also very toxic. It is a class I ozone depleting substance (ODS).

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