Difluorocarbene

Difluorocarbene

Names
Preferred IUPAC name Difluoromethylidene
Other names Difluoromethylene
Identifiers
CAS Number	2154-59-8
ECHA InfoCard	100.128.429
PubChem CID	6432238
CompTox Dashboard (EPA)	DTXSID901045808
InChI InChI=1S/CF2/c2-1-3 Key: LTVOKYUPTHZZQH-UHFFFAOYSA-N
SMILES [C](F)F
Properties
Chemical formula	CF2
Molar mass	50.008 g·mol−1
Related compounds
Other anions	Methylene Dichlorocarbene Dibromocarbene Diiodocarbene
Other cations	Difluorosilylene Difluorogermylene Stannous fluoride Plumbous fluoride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Difluorocarbene is the chemical compound with formula CF₂. It has a short half-life, 0.5 and 20 ms, in solution and in the gas phase, respectively.^[1] Although highly reactive, difluorocarbene is an intermediate in the production of tetrafluoroethylene, which is produced on an industrial scale as the precursor to Teflon (PTFE).