Difluoroacetylene

Difluoroacetylene
Names
	IUPAC name Difluoroacetylene
	Other names Difluoroethyne
Identifiers
CAS Number	689-99-6 ;
3D model (JSmol)	Interactive image;
ChemSpider	120260;
PubChem CID	136491;
CompTox Dashboard (EPA)	DTXSID70218978 ;
	InChI InChI=1S/C2F2/c3-1-2-4 Key: BWTZYYGAOGUPFQ-UHFFFAOYSA-N; InChI=1/C2F2/c3-1-2-4 Key: BWTZYYGAOGUPFQ-UHFFFAOYAS;
	SMILES FC#CF;
Properties
Chemical formula	C2F2
Molar mass	62.019 g·mol−1
Related compounds
Related compounds	Dichloroacetylene
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Difluoroacetylene is a compound of carbon and fluorine having molecular formula C₂F₂. A linear molecule, its two carbons are joined by a triple bond and have terminal fluorines: F-C≡C-F. The molecule is the perfluorocarbon analog of acetylene, C₂H₂. Preparation of difluoracetylene is difficult, with danger of explosions and with low yields. Nevertheless, the compound has been made, isolated, and characterized by NMR and IR spectroscopy. The compound is of interest as a precursor to fluoropolymers containing double bonds, analogous to polyacetylene.

Bibliography

Trifu, Roxana Melita (1999). Homopolymers of dihaloacetylenes (Ph.D. thesis, University of Illinois at Chicago). ProQuest.CS1 maint: ref=harv (link)

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